Question 4. You are considering to invest in a project which has the life of seven years. The project requires an initial cash outlay of SAR150,000, and your estimation for the expected free cash flows from the investment are SAR50,000, SAR40,000, SAR30,000, SAR30,000, SAR25,000, SAR20,000, SAR50,000 for the year 1 to 7 respectively. The cost of capital for the project is 12 percent. Calculate the following: 3. Project's payback period? b. Project's NPV? C. Project's PL? d. Project's IRR ? What will be your decision for investment based on NPV and IRR