Laura's grandparents helped her purchase a small self-serve laundry business to make extra money during her 5 college years. When she completed her engineering management degree, she sold the business and her grandparents told her to keep the money as a graduation present. For the net cash flows listed below, determine the following:

(a) The percentage of the investment recovered during the 5 years

(b) The actual rate of return over the 5-year period

(c) How long it took to pay back the $75,000 investment in year 0, plus a 7% per yearreturn

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Year NCF. S per year-75,000 -10,500 18,00-2000 28,000 105,000