Wisconsin Snowmobile Corp. is considering a switch to level production. Cost efficiencies would occur under level production, and aftertax costs would decline by $60,000, but inventory would increase by $500,000. Wisconsin Snowmobile would have to finance the extra inventory at a cost of 13 0 percent a-1. Determine the extra cost or savings of switching over to level production. a-2. Should the company go ahead and switch to level production? O Yes No b. How low would interest rates need to fal before level production would be feasible? (input your answer as a percent rounded to the nearest whole number.) Interest rate ls