The following aggregate plan is given. Holding cost per unit per period is $1 and backorder is not lowed. If overtime cost Increases by 31 and subcontract cost decreases by $1.5, how much the minimum total cost will change? Perled pred Perled Period 1 Period 2 Period 3 hours 225 Regular 225 150 SO Overtime Period 1 100 50 Subcontract 225 225 Regular Overtime 150 150 Period 2 50 Subcontract 225 225 Regular 150 18 ISO Period 3 Overtime 1:11 50 Subcontract 325 Demand 425 375 will increase by $450 will decrease by 525 will not change will increase by 5400 will increase by 5375