7. Consider the following table and Progress Report to answer the questions given below: Predecessor Activity Time(days) Estimated Cost A None 1 $ 80 B None 2 $120 C A 2 $ 200 D B 1 $ 60 E C 1 $70 Progress Report The project started on Sunday and we received the following progress report at the end of Tuesday (day 3): Activity A is Completed 100%, and the cost incurred is 70$ Activity B is Completed 100%, and the cost incurred is $110 Activity C is completed 70% and the cost incurred is $90 Activity D is completed 100% and the cost incurred is $50 a. Draw Gantt chart for the above-mentioned activities and reflect the progress report values on it (2+1=3) b. Calculate PV, EV and AC for the above-mentioned activities by considering the progress report. c. Calculate the following variances and interpret the results: (1+1+1=3) (1+2=3) i. Schedule Variance (SV) ii. Cost Variance (CV) d. Calculate the following indexes to monitor performance and interpret the results: (1+2=3) i. Schedule Performance Index (SPI) ii. Cost Performance Index CPI e. Calculate the Estimated total Cost at completion (EAC) (3) f. Draw cost/schedule graph showing PV, EV, AC, SV, CV, EAC and BAC based on the above- mentioned calculation