g question Regular time: $20 per unit (240 units per period maximum) Overtime: $30 per unit (70 units per period maximum) Subcontracting: Not available Temp Workers $37 per unit (40 units per month maximum) Beginning Inv.: 35 Holding cost: $3 per unit per period $5 per unit per period Backorder cost: 1 Period 12 13 14 15 Forecast Demand 425 180 220 310 230 Develop an aggregate plan that results in the minimum total cost Note: There is no hiring/firing in this problem No on-hand inventory or backorders at the end of period 5 How many units are backordered in Period 4? Select one: O A 20 OB. 130 . 0 OD 10 OE. 255 Regular time $20 per unit (240 units per period maximum) Overtime: $30 per unit (70 units per period maximum) Subcontracting: Not available Temp Workers $37 per unit (40 units per month maximum) Beginning Inv.: 35 Holding cost: $3 per unit per period $5 per qnit per period Backorder cost: Period 1 13 4 5 Forecast Demand 425 180 220 310 230 Develop an aggregate plan that results in the minimum total cost. Note: There is no hiring/firing in this problem No on-hand inventory or backorders at the end of period 5 How much should be produced in Period 12 Select one: O AL 310 OB, 240 OC 320 OD 280 OE. 185