The condominium at the beach that you want to buy costs $$180,000$ after your dowrd payment. What will your monthly payment be if you get a $30-$year mortgage with an $8\mathrm{.}5\%$ interest rate?

A$.$ $$1,384\mathrm{.}04$

B$.$ $$1,691\mathrm{.}61$

C$.$ $$6,681\mathrm{.}21$

D$.$ $$15,300\mathrm{.}00$

E$.$ None of the above