Your $$690000\mathrm{.}00$ monthly mortgage is amortized over $30$ years. Interest is $5\mathrm{.}4\%$ compounded semi$-$annually for a four$-$year term.

Compute the size of the monthly payment.

Question $11$ options:

$3819\mathrm{.}09$

$3848\mathrm{.}86$

$3864\mathrm{.}18$

$3874\mathrm{.}56$