A mortgage broker is offering a $20-$year $$173,900$ mortgage with a teaser rate. In the first two years of the mortgage, the

borrower makes monthly payments on only a $3\mathrm{.}0$ percent APR interest rate. After the second year, the mortgage interest rate

charged increases to $6\mathrm{.}0$ percent APR.

What are the monthly payments in the first two years? $($Do not round intermediate calculations and round your final answer

to $2$ decimal places.$)$

Monthly payment

What are the monthly payments after the second year? $($Do not round intermediate calculations and round your final

answer to $2$ decimal places.$)$

Monthly payment