3. IRR rule* Consider a project with the following cash flows: Cash Flows ($) C1 C2 -100 +200 - 75 a. How many internal rates of return does this project have? b. Which of the following numbers is the project IRR: (i) -50%; (ii) -12%; (iii) +5%; (iv)+50%? c. The opportunity cost of capital is 20%. Is this an attractive project? Briefly explain