Compute the total cost for each aggregate plan using these unit costs: 

Regular output $ 40 

Overtime $ 50 

Subcontract $ 60 

Average Balance Inventory $ 10

a.

b.

c. (Refer to part b) After complaints from some workers about working overtime every month during the first half of the year, the manager is now considering adding some temporary workers for the second half of the year, which would increase regular output to a steady 350 units a month, not using any overtime, and using subcontracting to make up needed output. Determine the total cost of that plan.

Mar Month Jan Feb Apr May Jun Forecast Output Regular Overtime 300 320 320 340 320 320 300 300 300 300 300 300 20 20 20 20 20 20 Subcontract Output-Forecast Inventory Beginning Ending Average