You intend to borrow $$25,000$ from your bank to buy a boat. The loan will be amortized over a period of $6$ years. The nominal interest rate is $11\%$ and interest is paid monthly. What are the monthly payments O a$.$ $$475\mathrm{.}85$ O b$.$ $$522\mathrm{.}530$ c$.$ $$622\mathrm{.}55$ O d$.$ $$430\mathrm{.}44$