Final answer:
The question involves calculating the duration for which an investment will last given annual withdrawals and a fixed interest rate; however, specific details required to accurately answer the question are missing.
Step-by-step explanation:
The question is regarding the amount of time it will take for a fund to run out when a certain amount of money is withdrawn annually at a fixed interest rate. To calculate this, one must use the concept of present value of a series of equal amounts and the formula for the present value of an annuity. Considering an investment of $50,000 with a 6 percent annual return and an annual withdrawal of $5,648, we are required to find out how many years it will take for this investment to deplete to zero.
However, the question has not provided a direct method for calculating the required duration. In practice, this involves solving for the number of periods in the annuity formula. Without the correct formula and a method to determine the present value of each withdrawal, it is not possible to answer the question as stated accurately.
It is important to note that starting to save early in life allows one to harness the power of compound interest. The example of saving $3,000 at an annual rate of return of 7% showing it can grow nearly fifteenth fold after 40 years is an excellent demonstration of this concept.