Please answer C & D. Thank you.

For the car loan described, give the following information. A car dealer will sell you the $30,550 car of your dreams for $6,000 down and payments of $662.06 per month for 60 months. (a) amount to be paid $ 45723.6 (b) amount of interest $ 15173.6 (c) interest rate (Round your answer to two decimal places.) X% (d) APR (rounded to the nearest tenth of a percent)