Jerusalem MedicalLtd., an Israeli producer of portable kidney dialysis units and other medical products, develops a4-month aggregate plan. Demand and capacity(in units) are forecast asfollows:

Capacity Source	Month 1	Month 2	Month 3	Month 4
Labor
Regular time	225	265	280	300
Overtime	15	24	26	18
Subcontract	14	15	18	15
Demand	240	304	316	301

The cost of producing each dialysis unit is $875 on regular time, $1,310 on overtime, and $1,600 on a subcontract. Inventory carrying cost is $100 per unit per month. There is to be no beginning or ending inventory in stock and backorders are not permitted.

Part 2

Minimizing cost using the transportationmethod, the optimal cost is ___________ $(enter your response as a wholenumber).