question content area widgeon co. manufactures three products: bales, tales, and wales. the selling prices are $55, $78, and $32, respectively. the variable costs for each product are $20, $50, and $15, respectively. each product must go through the same processing in a machine that is limited to 2,000 hours per month. bales take 5 hours to process; tales 7 hours; and wales 1 hour. the product with the highest contribution margin per machine hour is