4. A 4-year project is expected to generate annual sales of 30,000 units at a price of $50.00 per unit and a variable cost of $38.00 per unit. The equipment necessary for the project will cost $205,000 and will be depreciated on a straight-line basis over the life of the project. Fixed costs are $250,000 per year and the tax rate is 28.00 percent. How sensitive is the operating cash flow to a $1 change in the per unit variable cost? Answer in the form of a percentage change from the base case, e.g., 7.425% change in operating cash flow, and enter your answer as a whole number rounded to three decimal places, i.e., 7.425.

5. South Side, Inc., is considering opening a branch in another state. The operating cash flow will be $185,000 a year. The project will require new equipment costing $495,000 that would be depreciated on a straight-line basis to zero over the 5-year life of the project. The equipment will have a market value of $95,000 at the end of the project. The project requires an initial investment of $110,000 in net working capital, which will be recovered at the end of the project. The tax rate is 28 percent. What is the project's IRR? Enter your answer as a whole number rounded to threedecimal places, i.e., enter 5.123% as 5.123.