$1-$You want to get a $$5030$ commercial real estate mortgage. You are offered a monthly payment loan with $8\mathrm{.}7\%$ interest and a $25$ year amortization schedule with a balloon payment at the end of $5$ years. What will be your monthly mortgage payment? State your answer as a number rounded to two decimal points $($e$.$g$.$ if the answer is $$2345\mathrm{.}123,$ write $2345\mathrm{.}12)$

$2-$ Angelica wants to take out a $$3901$ Adjustable Rate Mortgage. She is offered a $30$ year, $3/1$ ARM with an initial teaser rate of $2\mathrm{.}6\%.$ The reset margin on the loan is $300$ basis points above $1$ year CMT$.$ What will be Angelica's monthly mortgage payments during the first three years with this mortgage? State your answer as a number rounded to two decimal points $($e$.$g$.$ if the answer is $$2345\mathrm{.}123,$ write $2345\mathrm{.}12)$