show all work for all $3$ problems please. Especially for Problem $1$ and $3.$

1. 2. 3. 4-10 .......... a. b. Broadway Paper Towels, Inc., is considering the purchase of a new machine at a cost of $11,070. The machine is forecasted to provide $2,000 per year in cash flow for eight years. The company's cost of capital (WACC) is 12%. Using the Internal Rate of Return Method, evaluate this investment and state whether or not the investment should be undertaken and why. Assume a firm has earnings before depreciation and taxes of $200,000 and no depreciation. It is in a 40 percent tax bracket. a. b. c. Compute its cash flow. Assume it has $200,000 in depreciation. Recompute its cash flow. How large a cash flow benefit did the depreciation provide? The Short-Line Railroad is considering a $100,000 investment in either of two companies. The cash flows are as follows: Year 2....... Electric Co. $70,000 15,000 15,000 10,000 Water Works $15,000 15,000 60,000 70,000 Using the payback method, what will the decision be? Explain why the answer in part a can be misleading.