Calculating the Future Value, Total Investment, and Interest Earned in an Ordinary Simple Annuity Combined with a Compound Interest Period Jack deposited $1500 into an account every three months for a period of 3 points four years. He then let the money grow for another six years without investing any more money into the account. The interest rate on the account was 6% compounded quarterly for the first four years and 9% compounded quarterly for the next six years. Calculate (i) the accumulated amount of money in the account at the end of the 10-year period and (ii) the total interest earned. Your