You have purchased a house for $2.500,000 with a down payment of 25% of the purchase price. How much equity have you built after 12 months if the amortization period is 25 years and the nominal interest rate is 2.5%? Assume that interest is compounded semi-annually, payments are made monthly, and the property value is the same as the purchase price. N O $629,617 O None of the options listed O $679,781 O $1,820,219 $54,781