5. Why is depreciation, a noncash expense, considered when estimating a project's net cash flows? 6. What are the potential tax consequences of selling an old asset in an asset replacement investment decision?1. Define capital expenditures and provide examples of capital expenditures. 2. Cash flows for a particular project should be measured on an incremental basis. What does that mean? 3. How does the opportunity cost concept affect capital budgeting cash flow determination? 4. What factors should be considered when estimating a new business' NINV? Is it any different for an asset replacement project