Question 18 with details please!

Part 4 Risk and Return Using the WACC to Value a Project 17. A retail coffee company is planning to open 100 new coffee outlets that are expected to generate $15 million in free cash flows per year, with a growth rate of 3% in perpetu- ity. If the coffee company's WACC is 10%, what is the NPV of this expansion? 18. RiverRocks, Inc., is considering a project with the following projected free cash flows: -50 10 20 20 15 The firm believes that, given the risk of this project, the WACC method is the appro- priate approach to valuing the project. RiverRocks, WACC is 12%. Should it take on this project? Why or why not