Application 2 A) We place respectively 15-05-2019 and 26-06-2019 the sums of 125,000 and 175,000 at simple interest as of 10/09/2019. We end up with a value of 307,012.50 dirhams (capital and interests combined). Find the rate. B) - We place 225,700 at compound interest at the rate of 8.5% per year, We end up with an acquired value of 425,700. Calculate the duration of placement C) - We agree to pay 12 annuities of 25,780 each, the rate of capitalization is 10.5% per year. Calculate the capital constituted one year and 5 months after the last payment