You have purchased a house for $1,000,000 with a down payment of 20% of the purchase price. How much cumulative principal have you paid on the mortgage after 12 months if the amortization period is 25 years and the nominal interest rate is 2.25%? Assume that interest is compounded semi-annually and payments are made monthly.

$775,851

$17,669

None of the options listed

$24,149

$2,033