CENGAGE MINDTAP Ch 04: Assignment - Time Value of Money Attempts 0 6. Finding the interest rate and the number of years 8.00% Average 0/3 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 value calculations. 6.40% If a security currently worth $12,800 will be worth $16,124.31 three years in the future, what is the implied interest rate the investor will earn on the security-assuming that no additional deposits or withdrawals are made? 7.94% 1.26% If an investment of $40,000 is earning an interest rate of 12.00%, compounded annually, then it will take reach a value of $56,197.12-assuming that no additional deposits or withdrawals are made during this time. Mind Tap - Cengage Learning Which of the following statements is true-assuming that no additional deposits or withdrawals are made? It takes 14.21 years for $500 to double if invested an annual rate of 5%. It takes 10.50 years for $500 to double if invested at an annual rate of 5%.