Kinnear Plastics manufactures various components for the aircraft and marine industry. Kinnear buys plastic from two vendors: Tappan Corporation and Hill Enterprises. Kinnear chooses the vendor based on price. Once the plastic is received, it is inspected to ensure that it is suitable for production. Plastic that is deemed unsuitable is disposed of The controller at Kinnear collected the following information on purchases for the past year: Tappan Hill Total purchases (tons) Plastic discarded 6,500 9,500 130 570 The purchasing manager has just received bids on an order for 210 tons of plastic from both Tappan and Hill. Tappan bid $1,715 and Hill bid $1,692 per ton. Required information Required: 1-a. Assume that the average quality, measured by the amounts discarded from the two companies, will continue as in the past. What is the effective cost per ton for both Tappan and Hill? (Do not round intermediate calculations.) Tappan Hill Effective cost per ton 1-b. Which supplier would you recommend that the purchasing manager select? Tappan O Hill