1. Prepare a graph of monthly forecast and average forecast demand for Industrial Air Corp., a manufacturer of a variety of large air conditioners for commercial application
    (Jay Heizer, Barry Render., Operations Management., Pearson, Tenth Edition., Page 566, Problems 13.1) soal Capacity planning no 1

2. a   Develop another plan for the Mexican roofing manufacturer in Example 1 to 4 (pages 550-553). For this plan, plan 5, the firm wants to maintain a constant workforce of six, using subcontractor to meet remaining demand. Is this plan preferable soal dan jawab Capacity planning no 2 a
b  The same roofing manufacturer in example 1to 4 – a constant workforce of seven is selected with the remainder of demand filled by subctracting soal dan jawab Capacity planning no 2b
c. Is This better plans 1-5 soal dan jawab Capacity planning no 2c
(Jay Heizer, Barry Render., Operations Management., Pearson, Tenth Edition., Page 566, Problems 13.2)

3. The president of Hill Enterprises, Terry Hill, projects the firm’s aggregate demand requirement over the next 8 month as follow.
Her operation manager is considering a new plan, which begin in January with 200 units on hand. Stockoust cost out of lost sale is $ 100 per unit. Inventory holding cost is $ 20 per unit permonth. Ignore any idle time cost. The plan is called Plan A

Plan A : vary the workforce level to execute a “chase” strategy by producing the quantity demanded in the prior month. The December demand and rate of production are both 1,600 unit  per month. The cost of hiring additional workers is $ 5,000 per 100 units. The cost of laying off is $ 7,500 per 100 units. Execute the plan. soal Capacity planning no 3
(Jay Heizer, Barry Render., Operations Management., Pearson, Tenth Edition., Page 566, Problems 13.3)

4. Using the information in the problem 3, develop plan B. Produce at constant rate of 1,400 units per month, which will meet minimum demand. Then use subcontracting, with the additional units at a premium price $ 75 per unit. Evaluate the plan by computing the costs for January through August
(Jay Heizer, Barry Render., Operations Management., Pearson, Tenth Edition., Page 566, Problems 13.4) soal Capacity planning no 4

5. Michael Carrigg, Inc., is a disk manufacuturer in need of an aggregate paln for July through December. The company has gathered the followoing data. What will each of the following stratgist cost
a)    Vary the workforce so that production meets demand Carrigg had eight workers on board in June soal dan jawab Capacity planning no 5a
b)    Vary overtime only and use a constant workforce of eight soal dan jawab Capacity planning no 5b
(Jay Heizer, Barry Render., Operations Management., Pearson, Tenth Edition., Page 567, Problems 13.7)