Luisa borrowed to buy a plano, paying $134 at the end of each month for 3 years The bank charges interest on the loan at 6 21% compounded monthly (a) What was the cash price of the piano? (b) How much is the cost of financing? (a) The cash price of the plan is $ (Round the final answer to the nearest cont as needed Round all intermediate values to six decimal places as needed) (b) The cont of financing is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed)