Ray Flagg took out a 60-month fixed installment loan of $12,000 to open a new pet store. He paid no money down and began making monthly payments of $221. Ray's business does better than expected and instead of making his 36th payment, Ray wishes to repay his loan in full. Complete parts a) through c) Click the icon to view the table of interest rates. a) Determine the APR of the installment loan APR=%