From this partial advertisement: a. Calculate the amount financed. b. Calculate the finance charge. (Do not round intermediate calculations. Round your answer to the nearest cent.) c. Calculate the deferred payment price. (Do not round intermediate calculations. Round your answer the nearest cent.) d. Calculate the APR by formula. (Do not round intermediate calculations. Round your answer to the nearest tenth percent.) e. Calculate the monthly payment (by formula). (Do not round intermediate calculations. Round your answer to the nearest cent.)