Solve what is asked. Show your solution for each number

1. During the sale, all electronic items are subject for 5% discount. Simon buys a cellular phone worth P12 690. How much is the discount of his cellular phone?

2. The number of pupils per class increased from 25 last year to 32 this year. What is the percent of change in the number of pupils?

3. Jose receives a commission of 5% to the total sales he can make. One day he was able to sell items in the store of at P12 690? How much commission will he get?

4. Jha bought a lipstick with tag price of P600 + 8% sales tax. How much should she pay for her purchase?

5. April sold P28 500 worth of advertisement for an annual souvenir program. If her commission was P1 282.50, what was her commission rate?​