Sample Computation: Total Contract Price: PHP 6,900,000.00 30% Downpayment: PHP 2,070,000.00 Less Reservation Fee: PHP 100,000.00 Net DP: PHP 1,970,000.00 70% Balance: PHP 4,830,000.00 5 years to pay: PHP 95,639.00 approx only 10 years to pay: PHP 56,080.00 approx only 15 years to pay: PHP 43,413.00 approx only 20 years to pay: PHP 37,446.00 approx only