EX6-21 (Algo) Given the following information, compute... Given the following information, compute the early, late, and slack times for the project network. ID Task Duration Predecessor Additional Lag Relationships Lag A B Interview users Define new features 10 9 A 00 Start-start A to B Finish-finish A to B 6 B Order components Build prototype Test 2 9 5 UO Finish-start C to D Finish-start c to E Finish-finish D to E 8 3 4 F Field test 11 E Lag 6 E Lag 4 5 10 Lag 3 B D F 9 2 Lag 8 9 11 Lag 8 What is the ES for Activity D? What is the LF for Activity E? What is the slack for the start of Activity E? What is the slack for the end of Activity E? What is the slack for the end of Activity B? What is the length of the project? 0 time periods