Let's follow up with Sam Hinds, the dentist, and his remodeling project $($Chapter $4,$ Problem $12).$ The cost of the equipment for the project is $$18,000,$ and he will finance the purchase with a $7\mathrm{.}5\%$ loan over six years. Originally, the loan called for annual payments. Redo the payments based on monthly payments $($twelve per year$).$

$293\mathrm{.}81$

$331\mathrm{.}43$

$307\mathrm{.}90$

$311\mathrm{.}22$

$268\mathrm{.}93$