Which of the following values comes closest to the payback of a project that begins with an inflow of $500, and produces cash flows over the next five years of $110 beginning at the end of year 1? The project's required rate of return is 10%. A. Payback is 1 year B. The payback is undefined C. Payback is 5 years D. Payback is 4 years E. Payback is 10 years