The future value and present value equations also help in finding the interest rate and the number of years that correspond to present and future vale calculations a security currently worth $12,800 will be worth $16,843.93 seven years in the future, what is the implied interest rate the investor will earn on the security assuring that no additional deposits or withdrawals are made? 03.20% 4.00% 1.32% 7.50% If an investment of $40,000 is eaming an interest rate of 4,00% compounded annually, then it will take value of $33.679.69-asuming that no additional deposits or withdrawals are made during this time for this investment to reach which of the following statements is true-aturing that no additional deposits or withdrawals are made? It takes 14.21 years for $500 to double if invested at an annual rate of 5 It takes 10.50 years for $500 to double if invested at an annual rate of 5