Years ago Rutgers University purchased property for $$3,400,000$ and made a down payment of $10$ percent and financed the balance through a mortgage for $20$ years, payable monthly at $5\mathrm{.}75\%$ interest. What is the monthly mortgage payment?

Group of answer choices

$$21,503\mathrm{.}45$

$$24,878\mathrm{.}15$

$$25,301\mathrm{.}16$

$$14,660\mathrm{.}91$

$$13,419\mathrm{.}97$