master final - trigopereira.pt · title: master_final.pdf author: ppereira created date: 6/2/2017...

12

Upload: dinhtram

Post on 08-Feb-2019

214 views

Category:

Documents


0 download

TRANSCRIPT

� � �

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # � � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ "� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % & � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " � � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " %& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' "� � � � � � � � � � � � � � � � � � � � � � � � # � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � (� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $� � � � � � � � � � � � � � � � � � � � � � � � $ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � '� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( #& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( '& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � (� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "

� � � �

� � � � � � � � � � � � � � � � � � � � � � � � % � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � (� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "� � � � � � � � � � � � � � � � � � � � � � � � " � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � (� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # (� � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # & � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # "� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ "� � � � � � � � � � � � � � � � � � � � � � � � ' � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % (� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % & � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % #& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % %� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " %� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' & � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' %� � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $) � � � � � * � � � + , - � � � . � � � � � � � � � . � � � ! / � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( � � � � � � � � � � � � � � � � � � � � � � � � ( � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( %� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( '� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � & � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ %& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % �� � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % "& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "

� 0

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " "� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' & � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' %� � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( $� � � � � � � � � � � � � � � � � � � � � � � � # � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( '� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � (& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � %& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � '� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $� � � � � � � � � � � � � � � � � � � � � � � � $ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � "� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � '& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1 � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � %& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � '� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # $& � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # %& � � � � � � � � � � � � � � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ � � � � � � $ � 2 3 � � � � � * � � 1 � � � . � � ! � � � � � � � � � . � � � � . � � 3 � � � . � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( � � � � � � $ � � 2 3 � � � � � * � � 1 � � � � � � . � � � � . � � 3 � � � . � ! � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( �� � � � � � $ � 4 5 . � � � � � � � 3 � � � 6 � � � � � � � 7 � ( ( ( 2 � ( ( % 8 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( � � � � � � $ � # 2 3 � � � � � * � � 1 � � � � � 3 � � � � � - � � � � � & 9 � � ! � � � . � � � : � � � � � � � � ; � * � � < � � � � � ( � � � � � � % � 2 3 � � � � � � � � - � � � . � � � � � 1 � � � ; � * � � � � � � � = ; + > � ? ; � @ & A $ @ & A � " B � � � � � � � � % � � 2 & � � � � . 1 � � � ! � � � C . � � � � . 1 � ? ; � � A & $ B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �� � � � � � % � 2 ; � � D � � 1 � � � � � � E � � � � � � � � . � F . � � � � � � � � � � � � � � / � ( % ( � � � � � � � � � � � � � � � � � � � � � � � � � �� � � � � � � 2 3 � � � � � G � � � � � � � + � H ? � ( ( $ 2 � ( ( ' B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " "� � � � � � � � 2 & � � � � � � � � G � � � � � � � ; � � � � 6 � � � . � A & $ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � " � � � � � � � 2 � � * � � � � � + � H � � ; � � � � 6 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' %� � � � � � � # 2 � � � � � � & � � � � � � � � � + � H � � � � ( � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' "

0

� � � � � � � $ 2 � � � � � � � � � � � � � � � � + � H � � � � ( ( ' � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' '� � � � � � � % 2 + � � � � � H � * � � , � � � � � � � ? � � * � � � - B � � � � ( � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' � � � � � � � " 2 + � � � � � I . � � � - � � � � � ! � � ? + A � B @ � � � � � � ! � � � � � 6 � � � � � J @ � ( ( ' � � � � � � � � � � � � � � � (� � � � � � � � 2 & � � � � � � � � � � 3 � � � � � � � & � � � � � � � 6 � . � � � � � � � � � � � � � 1 � � G � . � � � . � � � � � � � � $ #� � � � � � � � � 2 3 � � � � � � � & � � � � � � � � � � � � � � � � � 1 � � � � � . � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % � � � � � � � � 2 3 � � � � � � � & � � � � � � � 6 � . � � � � � � � � � � � � � 1 � � � � . � � � . � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % #� � � � � � � � # 2 3 � � � � � � � & � � � � � � � K � � . � � � - 6 � � 6 � � � � � � 3 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � % $� � � � � � � 2 3 � � � � L � 1 � � � . � � � � � � K � / � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' %� � � � � � � � 2 ; � � ! � � � � � � � 1 � � � . � � � � � � � ; � � � � 6 � � ? � ( $ 2 � ( ' B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' "� � � � � � � 2 ; � � � � � � � ! � � � � 1 � � � . � � � � ? ; & � + � � � . � � B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' '� � � � � � � # 2 H � � � � � 6 � � * � � � � D � � � � � � � � � � � � � ? � ( ( " 2 � ( $ B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ' � � � � � � � $ 2 3 � � � � � � * � � � � � � � � 1 � � � � � � � . � . 1 � � � * � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # � 2 3 � ! � � � ; � * � � � � > � � � � � � � - ; � � ; � � � � 6 � � ? H & � $ B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ( '� � � � � � # � � 2 3 � ! � � � ; � * � � � � > � � � � � � � - ; . � > / � � @ G � . � @ + � � � + � � ? H & � $ B � � � � � � � � � � � � � � � � � ( '� � � � � � # � 2 ; � � D � � 1 � � � � � 3 � � � � � � � � � � & . ! � � � � � � � � . � � � � ; � � � � 6 � � � � � � � � � � � � � � � � � ( � � � � � � $ � 2 ; � � � � � � � ! � � L � 1 � � � . � � � � � � � � � � � � � A & : � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ � � 2 - � � � � � � < � 1 � � � � ; & � � � � � + � � � . � � ? M � . � � � � � � � ( ( B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ � 2 ; � � � � � � � ! � � L � 1 � � � . � � � � � � ( ( % 2 � ( ( ? ; & � � ( ( % K � / � � � B � � � � � � � � � � � � � � � � � � � #� � � � � � $ � # 2 ; � � � � � � � ! � � � � 1 � � � . � � � � � K � / � � � ? ; & � � ( ( 2 � ( � B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � #� � � � � � $ � $ 2 ; � � � � � � � ! � � L � 1 � � � . � � � � � ; � � � � 6 � � ? � ( ( 2 � ( B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $� � � � � � $ � % 2 ; � � � � � � � ! � � L � 1 � � � . � � � � � - * � � � � ( ? ; & � + � � � . � � B � � � � � � � � � � � � � � � � � � � � � � � � � � � � %� � � � � � % � 2 ) � � � � � � � � � � � � � G � . � . � � � � � . � � N � 9 � � � � � � 3 � ! � � � ; � * � � � � ? � � . � � . � � � B # %� � � � � � % � � 2 H � � � � 6 � � * � � � � � � � * � � � � � � � � � � � - � � � ; � * � � � � � ? � � � � . � � � * � B � � � � � � � � � # "� � � � � � % � 2 � � � � � � � � G � � � � � � � � & � � � � � ? + � H @ + � � @ + , - � + H ; B � ( ( " 2 � ( � � � � � � � � � � � � � � � # '� � � � � � % � # 2 - � � � � � � 1 � � � � � � � � � � � � � � . � � � � ? � ( ( " 2 � ( B � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � # '� � � � � � % � $ 2 3 � � � � � � * � � � � � � 6 � . � � � � � � � � � � � � � 1 � � � � . � � � . � � ? � L G L K B � � � � � � � � � � � � � � # � � � � � � % � % 2 ; � � ! � � � � � � � � . � � � 6 � � � � 9 � � � � � � � � � � � � � � � � � * � � � � 2 � � ! � � � � ? ; ; ; � B $ (� � � � � � % � " 2 � � � � � � � � � � � � � � � � � � � � � � � � � � $ � � � � � � % � ' 2 L � � . � . � � � � � . � � � � � � � � O � � � � . � � � � � � � � � � � � � � � . � . � � � � � . � � � � � � � � � � � � � � $ � � � � � � % � 2 3 / � � � � � � � ! � � � � � � - � � � . � � � � � 1 � � � � � 6 � � . � � � � N � � � � ? � ( ( " 2 � ( ( B � � � � $ #� � � � � � % � ( 2 � � � � � � 1 � � � � � . � � � � � � � � � � � � � � � . � . � � � � � . � � � � � ( � � � � � � � � � � � � � � � � � � � � � � $ $� � � � � � % � 2 � � . � � � * � � 1 � � � � � � � * � � � � � � � � � � � � � � . � � � � � � 1 � � � � 1 � � � . � � � @ � ( � � $ %� � � � � � % � � 2 L � � � � � 6 � � * � � � � . � � � � � � � � � � H � * � � � � � � & � � � � � ? � ( ( � � ( B � � � � � � � � � $ %� � � � � � % � 2 ; � � � � � � � ! � � � � � ! � � � 1 � � � � � � � . � � � � � � � � 6 � � � � ? � ( 2 � ( % B � � � � � � � � � $ "G � 6 � � � % 2 2 � � � � � � � � ; � � � � 6 � � � � � � � P � � � � � � � 2 � � � � � � � � . � � � � � ( ( " � � � � � � � � � � � � � � � � $ �G � 6 � � � % 2 � 2 3 � . � � � � � � � � - � � � 2 � � � � � � � � � � � � 2 � ( ( " P � � � O � � � � E � � � � � � � � � � � �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � $ �

0 �Q R S T U V W X T Y Z U [ V \ ] ^ T U _ R` [ S a b c U [ V d e T f V c R a Z V g R h U a V a [ R U T V i j k k l \ j k m n o p d

q r s t s u v w q x v t w t y w z { | } ~ v r w z � � w � q s � v w � { � � � v r w

0 � �

X S T Z � � V g � � � � U � V X � � g U [ V R� � � U [ R � R c S [ T Y Z U [ S � � R � U f � S ` [ S a S c U V R h U a V a f V _X � � g U [ V _ dX � � g U [ Sg U a �

T R V � U a � _ � S � R T � S U a Z _V c � S _

0 � � �

V � T S _ _ R [ � f � S � S U a Z R T R _ _ R � � � g U [ S � R � R a � R � V � � V g U � V � R � V� R g U � R T V f � S d S � � R � T R _ _ � � � R V R � U _ Z � a [ U V � R � c R _ � V f S � S g � Z U [ S R � � � g U [ S � RV � T R [ U V f � S R � S a � R T V f � S � S _ V T � � c R a Z S _ � � _ Z U � U [ V Z U � S _ � V _ � Y T U V _ c R � U � V _ � R� S g � Z U [ V _ � � � g U [ V _` [ S a S c U V R h U a V a f V _ X � � g U [ V _ �

q r s t s u v w q x v t w t y w z { | } ~ v r w z � w � q s � v w � { � � � v r w

0 � �

T R _ � c S Z b � U [ S _ � RT R � g R � � S � � R _ Z � R _� R R _ [ S g � V c � g Z U � g V R � R T [ � [ U S _Z b � U [ S _ � R T R � g R � � S R � R T [ � [ U S _ T R _ S g � f � S_ � � g U a � V � SZ T V � R S � � _R _ � R [ � � U [ S _

U a � S T c V f � S R _ Z V Z � _ Z U [ Vg R � U _ g V f � S

vv t � � s � � y � s

0 �

g U a � _` [ S a S c U V R h U a V a f V _ X � � g U [ V _

0 � �

0 � � �

[ S c � V � a S a _ � R T S � Z R� V g g _ R a � S T R [ R U S S R T T S d � � S T � � R R _ Z S �_ R c � T R � T S a Z S V [ S T T U � U \ g S

h � a � V f � S � V T V V ^ U � a [ U V R V Q R [ a S g S � U V� a _ Z U Z � Z S � R X S g � Z U [ V _ X � � g U [ V _ � ^ S T T R U V � V   R T T V \ Q � S c V _

q r s t s u v w q x v t w t y w z { | } ~ v r w z � � w � q s � v w � { � � � v r w

0 � � � �

¡ R � � R T _ S a