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.$)$

$\backslash$table$[[\backslash$table$[[$Purchase price of a$],[$used car$]],$Down payment,$\backslash$table$[[$Number of monthly$],[$payments$]],,,,\backslash$table$[[$ionthly$],[$ints$]],\backslash$table$[[$Total finance$],[$charge$]],],[5,573,1,173,48,$$$,4,400,$$$,5,629\mathrm{.}76,,]]$