Consuelo Chun Inc. is a disk drive manufacturer in need of an aggregate plan for July through December The company has gathered following data

Costs

Holding cost $$8/$disk$/$month

subcontracting $$80/$disk

Regular labor time $$12/$hour

Overtime labor $$18/$hour for hours about $8/$hours$/$worker$/$day

Hiring cost $$40/$worker

Layoff cost $$80/$worker