B. Perform the given problems below. Show your solution and complete answers on your answer sheet.
8) Jha bought a lipstick with tag price of P600 + 8% sales tax. How much should she pay for her purchase?
9) Vince earns 3% commission in selling property. This month, he received a total commission of P11 400 for selling a parcel of lot. How much is the cost of the property he sold?
10) A certain bank charges a simple interest rate of N% per annum for loans. Rose loaned +40 000 and paid a total amount of P44 800 after 2 years. How much is the interest rate of this bank?​