12. You take out a consumer loan at your credit union for new insulated windows for your house. The total installed cost is $8,250, of which you pay 20% down. The balance is to be paid in 71 equal monthly payments, with a finance charge equal to 7.5% simple interest on the outstanding balance. Find the approximate annual percentage rate (APR), to the nearest tenth of a percent. 14.8% 7.4% 15.0% 17.090 25.3% a. b. C. d