Calculate the (a) net present value (NPV). (b) profitability index (Pl), and (c) internal rate of return (IRR) for Projects 1 and 2 (cash flows shown below), assuming a required return of 10%. Year 0 1 2 3 4 Project 1 - $380 $150 $180 $120 $330 Project 2 - $390 $180 $150 $190 $300 a. What is the NPV of Project 1? (Round to the nearest cent.) What is the NPV of Project 2? (Round to the nearest cent.) b. What is the Pl of Project 1? (Round to two decimal places.) What is the PI of Project 2? (Round to two decimal places.) c. What is the IRR of Project 1? % (Round to two decimal places.)