The following suppliers all provide an identical part in terms of quality, performance, and delivery, but each supplier quotes a different price and different payment window. If a company's annual cost of capital is 13% which supplier should be selected? The effective cost of purchasing from Supplier A (compared to Supplier C) is S per unit. (Enter your response rounded to two decimal places.) The effective cost of purchasing from Supplier B (compared to Supplier C is $ per unit. (Enter your response rounded to two decimal places.) should be selected