I only need help with second question, but it is continued from the first question.

Use the information to answer the following questions. A company is analyzing an independent project, S, whose cash flows are shown below: Year 0 Year 1 Year 2 Year 3 Year 4 Cashflow -100 10 150 30 60 The company's cost of capital is 10%, and it can get an unlimited amount of capital at that cost. What is the discounted payback period for Project S? Select one: O a. 3.13 years Ob 3.66 years OC. 2.67 years O d. 2.33 years . 2.99 years Continued from previous question. What is the internal rate of return (IRR) for Project S? Select one: O a 15.22% O b. 10.00% O c. 20.12% O d. 19.93% Oe. 18.54%