show work in excel with formulas

7. A firm is considering a mining project with the following cash flows (with the final cash flow being negative, perhaps due to an extensive land reclamation in the project's final year): Co = -$420, C1 = $420, C2 = $462, C3 = $546, C4 = $420, and C5 = -$1554. Assignment 3, p.4 (7, continued) (a) From among the following multiple-choice answers, calculate this project's internal rate(s) of return: 5.070%, 25.225%, 33.333%, 51.909%, 82.425%. (2 pts.) (b) If the re- quired return is 30.000%, should the project be rejected or accepted? Briefly, clearly justify and explain your reasoning. (2 pts.)