explanation for each part is important

Q31 You are using earned value progress reporting for your current project in an effort to teach your software developers the benefits of earned value. You plan to display project results on the PMO dashboard so that the team knows how the project is progressing. Use the current status, listed below, to answer questions 1 through 4: PV = $2,200 EV = $2,000 AC = $2,500 BAC = $10,000 1. According to earned value analysis, the SV and status of the project described above is, a. -$300; the project is ahead of schedule b. +$8,000; the project is on schedule c. +$200; the project is ahead of schedule d. -$200; the project is behind schedule 2. What is the CPI for this project, and what does it tell us about cost performance thus far? a. 0.20; actual costs are exactly as planned b. 0.80; actual costs have exceeded planned costs C. 0.80; actual costs are less than planned costs d. 1.25; actual costs have exceeded planned costs PMP Exam Preparation: Test Questions, Practice Test, and Simulated Exam 3. The CV for this project is a. 300 b. -$300 c. 500 d. -$500 4. What is the EAC for this project, and what does it represent? a. $12,500; the revised estimate for total project cost (based on performance thus far) b. $10,000; the revised estimate for total project cost (based on performance thus far) c. $12,500; the original project