Better Health, Inc., is evaluating two investment projects, each of which requires and up-front expenditure of $1.5 million.The projects are expected to produce the following net cash inflows:

YearProject AProject B

1$500,000$2,000,000

21,000,0001,000,000

32,000,000600,000

(a) Provide each project's IRR.

(b) Provide each project's NPV is the cost of capital is 10 percent.5 percent.15 percent.