The principal of the time value of money is probably the single most important concept in financial management. One of the most frequently encountered applications involves the calculation of a future value. The process for converting present values into future values is called knowledge of the values of three of four time-value-of-money variables. Which of the following is not one of these variables? This process requires O The interest rate (I) that could be earned by invested funds The present value (PV) of the amount invested O The inflation rate Indicating the change in average prices O The duration of the investment (N) llother things being equal, the numerial difference between a present and a future value corresponds to the amount of interest earned during the deposit or investment period. Each line on the following graph corresponds to an interest rate: 0%, 8%, or 16%, identify the interest rate that corresponds with each line. VALUE IDollars) TIME frearsi esc F5