Determine the total cost for the following Aggregate plan given the forecast below. Use steady regular output of 300 units per month, use overtime as needed for up to 30 units per month, and use subcontracting to make up any needed output to match the forecast.

Beginning inventory = 0

Unit Costs are:

Regular output= $30

Overtime=$45

Subcontracting= $60

Average Inventory= $10

1	2	3	4	5	6
280	300	320	340	360	380