Asunne your firm can lock in a cost of Debt for this project at 6.5% (065) annual rate. Also, assume the stockholders in your firm expect a return on equity that is I percentage point hi 3. 3.a Explain why the cost of debt. to finance this machine using 60% equity, and 40% debt. 3.b. Your firm expects Calculate the weighted cost of capital that would be used in for an NPV analysis given these facts. WACC 4. Calculate the net present value of this investment using the NPV function in Excel using the weighted cost of capital that you calculated in 3.b. Attach proof that you did the assignment in Excel to this sheet. 4.b. Assuming the cash flow projections are all correct, and you can "lock in" your weighted cost of capital for the life of the project, would this project have a positive or negative impact on your companies' wealth? Calculate the Internal Rate of Return on this investment using the IRR function in Excel. 5. 5.b. Calculate the Internal Rate of Return on this investment using the goal seek feature in Excel as described in class. In detail describe the steps you go through to do that here