Lapecirosgewelago Lapecirosgewelago Math Answered 1. Php45.00 is 50% of Php90.00_ is the original price.2. Php18.00 is 12% of Php150.00_ is the discount.3. Commission = 7% of Php340.00 = 4. Price of the laptop: Php25 000.00.Sales tax rate: 12%Sales Tax: