operations management, ch11

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Chapter 11 Part Five Operating Decisions Supply-Chain Management PROBLEMS 1. Buzzrite Company a. Current Year’s average aggregate value = $48,000,000/6 = $8,000,000 Next year’s average aggregate inventory value = ($48,000,000 ´ 1.25)/6 = $10,000,000 Increase in the average aggregate inventory value = ($10,000,000 – 8,000,000) = $2,000,000 b. Number of turns to support next year’s sales with no increase in inventory value = (1.25)(6) = 7.5 turns. 2. Precision Enterprises. Average aggregate inventory value = Raw materials + WIP + Finished goods = $3,129,500 + $6,237,000 + $2,686,500 = $12,053,000 a. Sales per week = Cost of goods sold/52 weeks per year = $32,500,000/52 = $625,000 Weeks of supply = Average aggregate inventory value/ Weekly sales = $12,053,000/$625,000 = 19.28 wk 247

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Solutions Manual Ch11

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Chapter 11

248PART FIVESYMBOL 108 \f "Wingdings" \s 5Operating DecisionsSupply-Chain ManagementSYMBOL 108 \f "Wingdings" \s 5CHAPTER ELEVEN249

Chapter

11Part Five Operating DecisionsSupply-Chain Management

PROBLEMS1.Buzzrite Company

a.Current Years average aggregate value= $48,000,000/6 = $8,000,000

Next years average aggregate inventory value

= ($48,000,000 1.25)/6 = $10,000,000

Increase in the average aggregate inventory value

= ($10,000,000 8,000,000) = $2,000,000

b.Number of turns to support next years sales with no increase in inventory value= (1.25)(6) = 7.5 turns.

2.Precision Enterprises. Average aggregate inventory value

= Raw materials + WIP + Finished goods

= $3,129,500 + $6,237,000 + $2,686,500

= $12,053,000

a.Sales per week= Cost of goods sold/52 weeks per year

= $32,500,000/52

= $625,000

Weeks of supply= Average aggregate inventory value/

Weekly sales

= $12,053,000/$625,000

= 19.28 wk

b.Inventory turnover= (Annual sales)/(Average aggregate

inventory value)

= $32,500,000/$12,053,000

= 2.6964 turns/year

3.One product line

Inventory turnover= (Annual sales)/(Average aggregate

inventory value)

10.0= $985,000/Average aggregate

inventory value

Average aggregate inventory value= $985,000/10 = $98,500

4.Bawl Corporation. Average aggregate inventory value can be calculated as: Average aggregate inventory value= Raw materials + WIP + Finished goods

= $2,470,000 + $1,566,000 + $1,200,000

= $5,236,000

a.Sales per week= Cost of goods sold/52 weeks per year

= $48,000,000/52

= $923,076

Weeks of supply= Average aggregate inventory value/Weekly sales

= $5,236,000/$923,076

= 5.7 wk

b.Inventory turnover= (Annual sales)/(Average aggregate

inventory value)

= $48,000,000/$5,236,000

= 9.16 turns/year

5.A firm

a.Sales per week= Cost of goods sold/52 weeks per year

= $3,500,000/52

= $67,308

Weeks of supply= Average aggregate inventory value/Weekly sales

= $1,200,000/$67,308

= 17.8 wk

b.Inventory turnover= (Annual sales)/(Average aggregate

inventory value)

= $3,500,000/$1,200,000

= 2.9 turns/year

247