Problem 11-17 Given the following information set up the problem in a transportation table and solve for the minimum-cost plan: PERIOD 550 700 750 500 50 120 100 500 50 120 440 50 100 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 period $3 per unit per period Suppose that an inventory carrying cost is increased to $2 per unit per period. What will the additional cost of the optimal plan be? (Omit the "$" sign in your response.) Additional cost $