You bought a condominium in BGC worth Php 25 million. You decided to give a down payment of Php 15 million and get a loan for the remaining amount. A bank offered a 3 year loan with 3.6% interest monthly. The loan will be paid, principal and interest included, by equal payments at the end of each month for 3 years. How much is the beginning principal on the 2nd period? Round off answer to 2 decimal places.