P3-32. You are planning to purchase a motorhome for $40,000, and you have $10,000 to apply as a down payment. You may borrow the remainder under the following terms: a ten-year loan with semiannual repayments and a stated interest rate of 6 percent. You intend to make $6,000 pay- ments, applying the excess over your required payment to the reduction of the principal balance. a. Given these terms, how long (in years) will it take you to fully repay your loan? b. What will be your total interest cost? c. What would be your interest cost if you made no prepayments and repaid your loan by strictly adhering to the terms of the loan