A Juarez, Mexico, manufacturer of roofing supplies has developed monthly forecasts for a family of products. Data for the 6-month period January to June are presented in Table 13.2. The firm would like to begin development of an aggregate plan

APPROACH c Plot daily and average demand to illustrate the nature of the aggregate planning problem

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TABLE 13.2 Monthly Forecasts DEMAND PER DAY MONTH EXPECTED DEMAND PRODUCTION DAYS Jan. 900 22 Feb. 700 18 (COMPUTED) 41 39 Mar. 800 21 38 Apr. 1,200 21 57 May 1,500 22 68 June 1,100 20 55 6,200 124