please round anwsers

Kevin Lin wants to buy a used car that costs $9,780. A 10% down payment is required. (a) The used car dealer offered him a four-year add-on interest loan at 7% annual interest. Find the monthly payment. (Round your answer to the nearest cent.) (b) Find the APR of the dealer's loan. Round to the nearest hundredth of 1%. % (c) His bank offered him a four-year simple interest amortized loan at 9.2% interest, with no fees. Find the APR, without making any calculations. - \% (d) Which loan is better for him? Use the solutions to parts (b) and (c) to answer. No calculations are required. The bank's loan is better, The car dealer's loan is better