$\backslash$table$[[$Purpose$,$APR,$\backslash$table$[[$Term$],[($Months$)]],\backslash$table$[[$Table$],[$Value$]],\backslash$table$[[$Amount$],[$Financed$]],\backslash$table$[[$Monthly$],[$Payment$]],\backslash$table$[[$Total$],[$Repaid$]],\backslash$table$[[$Finance$],[$Charge$]],],[3.,$Skis,$10\%,6,$a$.$S$,$$$1,000,$b$.$S$,$c$.$S$,$d$.$S$],[4.,$Vacation,$12\%,18,$a$.,2,000,$b$.,$c$.,$d$.],[5.,$All$-$Terrain Vehicle,$8\%,24,$a$.,5,600,$b$.,$c$.,$d$.],[6.,$Swimming Pool,$9\%,30,$a$.,9,900,$b$.,$c$.,$d$.]]$

For Problems $7$ and $8,$ determine the $($a$)$ monthly payment and

$($b$)$ finance charge.