You are considering to buy a new machine for your manufacturing plant. Your cost of capital is 15 percent and initial investment for the machine is $5,000,000. The machine is expected to provide operating cash inflows of $1,800,000 in year 1, $1,900,000 in year 2, $1,700,000 in year 3, and $1,300,000 in year 4. Calculate the NPV of the machine. Should you invest in the machine? Provide strong justification on your recommendation.