IV. Read the following problems then solve. 1) A red dress priced at Php 550.00 is marked 15% off. How much will be the discount. 2) Mr. Edwin Lazo paid Php 13,599.15 for a television set that originally costs P15,999.00. What is the rate of discount? 3) A wristwatch that regularly sells at Php 1580.00 is on sale at 30% off. What is the sale price?