Your friend wants to buy a car for $20,000 and plans to finance all of that amount. The lender says the payments will be $599.99 per month for the next 5 years, at which time the loan will be paid off. What APR is implied by this?

Enter your answer as a percentage with two decimal places and without the percent symbol. For example, if your answer is 90.1234%, enter 90.12

please explain in details