Given the following information set up the problem in a transportation table and solve for the minimum-cost plan: PERIOD 1 2 3 550 700 750 500 500 500 50 50 50 120 120 100 100 Demand Capacity Regular Overtime Subcontract Beginning inventory Costs Regular time Overtime Subcontract Inventory carrying cost Back-order cost $60 per unit $80 per unit $90 per unit $1 per unit per month $3 per unit per month Minimum total cost