ch5/q11

please help with this one area ive gotten incorrect? thanks in advance!!

Prepare an amortization schedule for a three-year loan of $75,000. The interest rate is 10 percent per year, and the loan agreement calls for a principal reduction of $25,000 every year. How much total interest is paid over the life of the loan? Note: Leave no cells blank. Enter ' O ' where necessary. Do not round intermediate calculations and round your answers to the nearest whole number, e.g., 32