Check my Duration Predecessor 10 Activity Description Design B Procure prototype parts Fabricate parts D Assemble prototype E Laboratory test F Field test G Adjust design H Order stock components I Order custom components J Assemble test production unit K Test unit L Document results 10 8 4 7 9 5 9 14 9 5 3 A B, C D E F G G H, I J K Part A. Draw the project network. Compute the early, late, and slack times for e activity. 5 What is the ES for Activity D? What is the LF for Activity H? What is the slack for Activity C? What is the slack for Activity H? What is the slack for Activity I? What is the length of the project? What is the critical path? time periods 8 6 2 w 5 t o i e y u