theres two parts, 1) frit'z monthly payment $ and 2) how much fritz will pay in total $ in interest

Fritz Benjamin buys a car costing $13000. He agrees to make Fritz's monthly payment is $ payments at the end of each monthly period for 8 years. He pays 8.4% interest, compounded monthly. What is the amount (Round to the nearest cent.) of each payment? Find the total amount of interest Fritz will pay