A home was purchased for $$265,000$ with a $209$s down payment with the rest wo be amortized over $25$ years with bi$-$weekly payments. For the first $4$ years the purchasers locked in with an interest rate of $3\mathrm{.}85\%$ compounded semi$-$arremathy

a$)$ Determine the size of the bi$-$weekly payments

b$)$ What is the outstanding balance after the first $4$ years?