a. 15. (5 points) Pottawa Corporation plans to purchase a new machine for $300,000. Management estimates that with the machine cash flows from sales will increase by $160,000 each year for the next 5 years. Expenses to generate the additional sales include direct materials, direct labor, and factory overhead (excluding depreciation) totaling $70,000 per year. The firm uses straight-line depreciation with no terminal disposal value for all depreciable assets. The new machine has an expected salvage value of zero at the end of the project. Pottawa's combined income tax rate is 20%. Management requires a minimum after-tax rate of return of 8% on all investments. Calculate the Net Present Value (NPV) for this project. P