Calculate (a) the amount financed, (b) the total finance charge, and (c) APR by formula (Do not round intermediate calculations. Round the "Finance charge" to the nearest cent and "APR" to the nearest tenth percent.) Purchase price of a Down used car payment $ 5,673 $ 1223 Number of monthly payments 48 Amount financed Total of monthly payments 5,729.76 Total finance charge APR $ %