You want to purchase a new condominium that costs $$325,000.$ Your plan is to pay $20$ percent down in cash and finance the balance over $15$ years at $4\mathrm{.}1$ percent.

$($A$)$ What is the present value of the investment $S$

$($B$)$ How many payment will there be$?$

$($C$)$ What is the interest rate per payment?