An investment has expected cash flows of -$200, $100, $220, $90 and $45 at the end of years 0 through 4, respectively. The required return is 8.5%. Using interpolation, estimate the payback period for this investment. Answer a. 2.0 years b. 1.2 years c. 1.45 years d. 2.45 years PLEASE SHOW WORK