Please explain this to me. Thank you

eBook Annuity Payment and EAR You want to buy a car, and a local bank will lend you $10,000. The loan would be fully amortized over 4 years (48 months), and the nominal interest rate would be 9%, with interest paid monthly. What is the monthly loan payment? Do not round intermediate calculations. Round your answer to the nearest cent. What is the loan's EFF%? Do not round intermediate calculations. Round your answer to two decimal places