Calculate the monthly payments for each of the following $$$$89$ comma $000$ mortgage loans. Assume no prepayments.

a$.30-$year fixed at $7\mathrm{.}25$ percent

b$.15-$year fixed at $6\mathrm{.}25$ percent

c$.20-$year fixed at $6\mathrm{.}75$ percent

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

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