Mathematics in the Modern World

Please do handwritten only

show step by step solution, please

using formula

Exercises 1. Calculate the maturity value of a simple interest, 9- month loan of P90,000 if the interest rate is 9.25%. 2. Calculate the maturity value of a simple interest , 1- year loan of P260,000. The interest rate is 5.1%. 3. How much money should be invested in an account that earns 6% interest, compounded monthly, in order to have P750,000 in 5 years. Muffinutica of Finance Page 49Exercises 4. How much interest is earned in 3 years on P100,000 deposited in an account paying 6% interest, compounded quarterly? 5. A couple plans to save for their child's college education. What principal must be deposited by the parents when their child is born in order to have P2.000,000 when the child reaches the age of 18? Assume the money earns 8% interest, compounded quarterly. Page 50Exercises 6. Suppose your salary in 2023 is P40,000. Assuming an annual inflation rate of 7%, what salary do you need to earn in 2028 in order to have the same purchasing power?. 7. In 2014 your mother purchased an insurance policy that will provide her with P6,250,000 when she will retire in 2054. Assuming an annual inflation rate is 6, what will be the purchasing power of the P6,250,000 in 2054