Although i have the correct answers please solve it step b step.

Question 4 The Candia Corp. is evaluating a capital budgeing problem where for each year under consideration after some initial expenditure, the incremental sales is $11.478, the incremental operating costs (excluding depreciation) is $3,123, and the incremental depreciation is $2.128. If Candia has a tax rate of 30%, what is the incremental cash flow per year for each year under consideration, to the nearest cent? 6,486.90 : 1 Correct Answer: Question 5 The Windham Corporation is considering a small project with the following cash flow: Year 3 Cash Flow $-341 $100 $200 $331 0 2 What is the NPV of the project if the interest rate is 8.6%? Answer to the nearest cent. Correct Answer: 179.09:1