The interest rate on a $$15,900$ loan is $10\mathrm{.}3\%$ compounded

semiannually. Semiannual payments will pay off the loan in nine

years. $($Do not round intermediate calculations. Round the PMT and

final answers to $2$ decimal places.$)$ a$.$ Calculate the interest

component of Payment $12.$ Interest $ b$.$ Calculate the principal

component of Payment $5.$ Principal $ c$.$ Calculate the interest paid

in Year $8.$ Interest paid $ d$.$ How much do Payments $5$ to $8$ inclusive

reduce the principal balance? Principal reduction $$$