Thuan has a variable rate mortgage for $$955,955\mathrm{.}00.$ The term of the mortgage is $5$ years, and the amortization period is $25$ years. Thuan will make bi$-$ weekly payments and the mortgage rate is $(365)=4\mathrm{.}250\%.$

a$)$ How much are the bi$-$weekly payments? $ $2389\mathrm{.}75$

b$)$ What is the outstanding balance at the end of $4$ years? $ $862404\mathrm{.}77$

c$)$ After $4$ years, the interest rate changes to $3\mathrm{.}250\%,$ but the payment amount stays the same. What is the outstanding balance at the end of the term of the mortgage? $ $827776\mathrm{.}8$

d$)$ What is the trigger rate for the mortgage $($after $4$ years$)?$ Give the nominal rate compounded daily. $($Remember$,$ write $3\mathrm{.}456$ not $0\mathrm{.}03456.)$ $

$7\mathrm{.}496$