Aggregate Plan Decision Variables (Kitz promotes in October but Gulmarg does not) H. W. O. S. Period = Hired = Laid off = Workforce Overtime Inventory Shortage Amount Sold Production Demand Price 60 2,000 50 2,160 1,280 1 44 1,280 300 60 2,400 2,160 2.40 2,160 300 3 50 1,020 3,780 2.40 3,780 800 60 3,420 2.40 3,420 300 50 2,200 2 20 2,200 300 ala 50 2,200 2 200 2,200 300 1083 2149 Aggregate Plan Costs