1. PROBLEM: Calculate the cost of the plan: Regular cost per unit = $40. Overtime cost per unit = $50. Subcontract cost per unit = $60. Carrying cost per unit per month = $10 and is assessed on average inventory. Period Jul Aug Sep Oct Nov Dec Forecast 320 340 360 380 400 400 Output Regular 300 300 300 300 300 300 Overtime 20 20 20 20 30 30 Subcontract 20 30 40 40 60 70 Period Jul Aug Sep Oct Nov Dec Total Forecast 320 340 360 380 400 400 2,200 Output Regular 300 300 300 300 300 300 1,800 Part Time Overtime 0 Subcontract Output - Forecast Inventory Beginning Ending Average Backlog 2222 0270 20 20 20 30 30 140 30 40 40 60 70 260 20 10 0 -20 -10 0 0 20 30 30 10 0 30 30 10 0 0 10 25 30 20 5 0 90 0 0 0 0 0 Costs: Regular @ 40 Part Time @ $0 $0 $0 $0 $0 $0 $0 Overtime (a) 50 Subcontract @ 60 Hire/Layoff $0 Inventory @ 10 Back orders @ $0 $0 $0 $0 $0 $0 $0 Total Answer: Total cost =