2. The table below shows the relevant task data for a certain project, with durations given in weeks. The project progress information shown in the table was collected by the project manager at the end of the 4th week. a. Draw a fully analyzed network diagram for the project showing all activity times, find the project duration, develop the activities boundary timetable, and identify the critical path. b. Construct a Gantt chart for the project, assuming each task starts as soon as possible. c. Using proportional budget figures, determine the current cost, schedule, and time variances for the project. Also determine CPI, SPI, and CSI. Comment on the overall condition of the project at this point in time. (15 points) Activity Predecessor Duration Budget Cost Actual Cost % Complete A 1 $15,000 $14,000 100 B A 2 $12,000 $14,000 100 A 3 $36,000 $30,000 67 D B 4 $20,000 $12,000 50 E 2 $12,000 0