Can someone tell me what the NPV for question D is how and show how they got it? I have everything else correct, but this has me stumped.

not change revenues, but it is expected to save the firm $428,000 per year in before-tax operating costs, mainly labor. Campbell's marginal tax rate is 35. a. What is the Year 0 net cash flow? $ b. What are the net operating cash flows in Years 1,2 , and 3 ? Do not round intermediate calculations. Round your answers to the nearest dollar. Year 1$ Year 2$ Year 3$ $ (1) d. If the project's cost of capital is 13%, what is the NPV of the project? Do not round intermediate calculations. Round your answer to the nearest dollar. 4 (3) Should the machine be purchased? (