For a project, in X day, planned value, earned value and actual cost of the tasks are given in dollar in the table below. Planned $1000 to complete project. Task Actual Cost Work Performed Budgeted Cost Work Scheduled 50 70 30 100 50 2 3 4 5 Budgeted Cost Work Performed 50 70 30 50 0 Total: 250 a. Find schedule and cost variance. Explain what it means? b. Find schedule and cost performance index. c. Find estimate to complete and estimate at completion