B. What I Know A. Study and solve the problems below. Choose the letter of the correct answer from the choices and write it on your answer sheet. 1) 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 +12 690? How much commission will he get? A. P634.60 B. P1 205.54 C. P12 055.50 D. P13 324.50 2) All items in Store PQR has 12% sales tax inclusive. Ernesto bought a wallet and observed that in his receipt, he paid a total tax of P126 for his purchased wallet. How much is the cost of the wallet? A. P15.12 B. P924 C. P1 050 D. P1 176 3) Gina is working in a commission-based company. Her daily allowance depends on the sales she can make. Last Monday, she received a commission allowance of P114.40 for the total sales she made amounting to P880. What was her commission rate? A. 11% B. 12% C. 13% D. 14% For Items 4 to 5, refer to situation A in the box. Situation A MNO Bank charges an annual simple interest rate of 12% for any type of loan. Maria borrowed P25 000 from this bank. 4) How much is the interest of the money Maria borrowed from the bank after a year? A. P2 500 B. P3 000 C. P22 000 D. P28 000 5) How much should she return to the bank as payment after a year? A. P28 000B. P22 000 C. P3 000 D. P2 500 For Items 6 to 7, refer to situation B in the box. Situation B Minda borrowed P9 000 from Elleda. She promised to pay it after 8 months with simple interest rate of 5% per annum. 6) After 8 months, how much is the amount Minda should pay to Elleda? A. P300 B. P9 300 C. P9 500 D. P12 000 7) How much is the total interest of the money she borrowed? A. P12 000B. PO 500 C. P9 300 D. P300​