discount cate# is% tax rate: 3596 3. Project X involves a new type of graphite composition in-line skate wheel. We think we can sell 4,00 the product should have a four-year life. 0 units per year at a price of $900 each. Variable costs will run about $400 per unit, and Fixed costs for the project will run S450,000 per year. Further, we will need to invest a total of $1,250,000 in manufacturing equipment. This equipment is seven-year MACRS property for tax purposes. In four years, the equipment will be worth about half of what we paid for it. We will have to invest $1,150,000 in net working capital at the start. a. Calculate OCFs for this project. b. What is the project's IRR? c. Should the project be accepted using IRR