calculate the monthly payments for each of the following $$$$105,000$ mortgage loans. Assume no prepayments.

a$.30-$year fixed at $7\mathrm{.}50$ percent Monthly Installment Loan Payment Factor$(6\mathrm{.}99)$

b$.15-$year fixed at $6\mathrm{.}50$ percent Monthly Installment Loan Payment Factor$(8\mathrm{.}71)$

c$.20-$year fixed at $7\mathrm{.}00$ percent Monthly Installment Loan Payment Factor$(7\mathrm{.}75)$

$$Note: Round intermediate computations to at least five$(5)$ decimal places.