please show excel equations

PROBLEM 2 Better Health, Inc. is evaluating two investment projects, each of which requires an up-front expenditure of $1.5 million. The projects are expected to produce the following net cash inflows: Year Project A Project B 0 ######### $2,500,000 1 $600,000 $3,000,000 2 $1,000,000 $1,200,000 3 $3,000,000 $800,000 a. What is cach project's IRR? Project A: Project B: b. What is each project's NPV if the cost of capital is 7 percent? 15 percent? 20 percent