Jerusalem Medical Ltd., an Israeli producer of portable kidney dialysis units and other medical products, develops a 4-month aggregate plan. Demand and capacity (in units) are forecast as follows:

CAPACITY SOURCE MONTH 1 MONTH 2 MONTH 3 MONTH 4 Labor Regular time 235 255 290 300 Overtime 20 24 26 24 Subcontract 12 15 15 17 Demand 255 294 321 301 The cost of producing each dialysis unit is $985 on regular time,

$1,310 on overtime, and $1,500 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. Set up a production plan that minimizes cost using the transportation method. lop52