I need help with B

Consider a project with the following cash flows: Cash Flows ( $ ) co -100 200 -75 a. How many internal rates of return does this project have? O One @ Two O Three b. Which of the following numbers is the project IRR? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) 0 12% O +50% O -50% c. The opportunity cost of capital is 20%. Is this an attractive project? (O Yes O No