how do you get the answer please, detailed explanation

3.) Microwave Oven Programming, Inc. is considering the construction of a new plant. The plant will have an initial cash outlay of $7 Million and will produce cash flows of $3 million at the end of Year 1, $4 million at the end of Year 2, and $2 Million at the end of Years 3 through 5. What is the IRR for this new plant? (5 points)