8. Find the discount interest on Php 20,000 for 210 days at a discount interest rate of 8 34%. What is the present value? 9. If Php 35,000 is due on December 16, 2018, find the proceeds on April 20, 2018, if the discount interest rate is 9%. 10. On December 16, 2018, Mr. Anjo Marquez applied for a Php 750,000 loan. After deducing the interest in advance, he received Php 680,000. If the loan is to be repaid at the end of 9 months, at what rate is interest charged