Your $$690000\mathrm{.}00$ monthly mortgage is amortized over $30$ years. Interest is $5\mathrm{.}4\%$ compounded semi$-$annually for a four$-$year term. Four years pass and it is up for renewal. Interest rates exploded higher to an astonishing $6\mathrm{.}9\%$ compounded semi$-$annually for a four$-$year term. Reluctantly, you lock in at this new rate.

How much more will you pay every month for your mortgage?

Question $12$ options:

$625\mathrm{.}04$

$636\mathrm{.}21$

$701\mathrm{.}00$

$573\mathrm{.}72$

$669\mathrm{.}78$