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1. [MO11] Freya borrowed P3,500 from the bank and promised to pay the amount for one year. She received only the amount of P3,150 after the bank collected an advance interest of P350. What was the rate of discount and the interest rate that the bank collected in advance? (10 points) 2. [MO12] A principal of P50,000 was invested on February 3, 2022 at a simple interest rate of 8%. Determine the total amount that the investor can withdraw on May 2, 2022 using both exact and ordinary simple interest? (10 points) the amount you'd have to pay at the end of eight months. (5 points)