Wade Ellis buys a new car for $$16,882\mathrm{.}14.$ He puts $10\%$ down and obtains a simple interest amortized loan for the rest at $11\frac{1}{2}\%$ interest for four years. $($Round your answers to the nearest cent.$)$

$($a$)$ Find his monthly payment.

$($b$)$ Find the total interest.

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$($c$)$ Prepare an amortization schedule for the first two months of the loan.