Dave Fletcher was able to determine the activity times for constructing his baser scanning machine. Fletcher would Iike to determine ES, EF, LS, LF, and slack for each activity The total project completion time and the critical path should also be determined Here are the activity times Dave's earliest start (ES) and earliest finish (EF) are Dave's latest start (LS) and tatest finish (LF) are Dave's latest start (LS) and latest finish (LF) are The slack times are. BEGADHACGBFH The activitios on the critical path are The total project completion time for Dave = weeks