Practical Operations Management
Practical Operations Management
2nd Edition
ISBN: 9781939297136
Author: Simpson
Publisher: HERCHER PUBLISHING,INCORPORATED
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Chapter 11, Problem 30P

a

Summary Introduction

Interpretation: Number of workers to be hired and duration to hire.

Concept Introduction: Inventory management is the process of managing the company’s stock so that there are no stock-outs. It includes ordering, storing, and managing the stock.

a

Expert Solution
Check Mark

Explanation of Solution

Required unit of production = 2,000,000

Number of workers employed = 500

Time required to assemble one unit = 3 minutes

  Workers' production rate=603=20unitsperhourMonthly capacity=160×20=3,200 units

Capacity needed to produce 2000000 units, which is planned.

  =2,000,0003,200=625

Since 500 workers are presently available, Number of workers to be hired is 125.

    MonthAugSeptOctNovDec
    Demand1,000,0001,000,0002,000,0004,000,0001,000,000
    Production plan2,000,0002,000,0002,000,0002,000,0002,000,000
    Beginning inventory01,000,0002,000,0002,000,0000
    Ending inventory1,000,0002,000,0002,000,00001,000,000
    Average inventory500,0001,500,0002,000,0001,000,000500,000

b

Summary Introduction

Interpretation: Quantity of inventory at the end of October.

Concept Introduction: Materials Requirement Planning is a process in which planning is made for the requirement of raw material required for the manufacturing of the finished product.

b

Expert Solution
Check Mark

Explanation of Solution

The given schedule is calculated in ‘a’ part which shows inventory at the end of October will be 2 million when 125 workers are hired.

    MonthAugSeptOctNovDec
    Demand1,000,0001,000,0002,000,0004,000,0001,000,000
    Production plan2,000,0002,000,0002,000,0002,000,0002,000,000
    Beginning inventory01,000,0002,000,0002,000,0000
    Ending inventory1,000,0002,000,0002,000,00001,000,000
    Average inventory500,0001,500,0002,000,0001,000,000500,000

At the end of October, 2 million inventory will be held.

c

Summary Introduction

Interpretation: Average inventory level of each month.

Concept Introduction: Materials Requirement Planning is a process in which planning is made for the requirement of raw material required for the manufacturing of the finished product.

c

Expert Solution
Check Mark

Explanation of Solution

Average inventory for august month:

  =Beginninginventory+Endinginventory2

  =0+1M2=0.5M

Average inventory for September month:

  =Beginninginventory+Endinginventory2

  =+1M+2M2=1.5M

Average inventory for October month:

  =Beginninginventory+Endinginventory2

  =2M+2M2=2M

Average inventory for November month:

  =Beginninginventory+Endinginventory2

  =2M+02=1M

Average inventory for December month:

  =Beginninginventory+Endinginventory2

  =0+12=0.5M

Note: M stands for millions.

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