Find out the time required to complete the following project, critical path and critical activities using Microsoft Excel Sheet. (i) By CPM considering Optimistic value (ii) By PERT. (iii) Compare the obtained result Activity A B C D E F G H I Predecessor Activity A A B C D, E D, E F G Optimistic time estimate (t, days) 2 3 8 9 8 16 19 2 1 Most likely time estimate (t days) 4 6 10 12 9 21 22 5 3 (10 Marks) (10 Marks) (05 Marks) Pessimistic time estimate (t, days) 6 9 12 15 10 26 25 8 5