You are the project manager for a new project, Project A. You have cost estimates of $5,000 in the first year and no costs in later years. There are no benefits in the first year. Benefit estimates are for $1,000, $2,000, $3,000, and $4,000 in years 2, 3, 4 and 5 respectively. Your company uses a discount rate of 10%. Given the above data: a. What is the NPV of Project A? b. What is the ROI of Project A? c. What is the payback period for Project A? Please show your work.