This is the last part to the questions, and is labeled 9.7D. Also attaching the key and the actual question. Thanks.

Problem 9.7(D): List of all possible paths & Total Slacks from Start to finish for each path. *Which activities are on the critical path? What is the total slack along the critical path?Prob. 9-7: Initial Activity-on-Node Network Diagram (Drawn by Dr. Musa) ES 1 EF ES 3 EF SL SL Description LS 10 LF LS 15 LF ES EF ES EF SL Description SL Start LS 4 LF ES 7 EF ES 8 EF LS 0 LF SL Description SL Description LS 7 LF LS 9 LF ES 5 EF ES 2 EF SL Description SL LS 6 LF LS 7 LF ES 6 EF SL Description LS 12 LF ES ID EF SL Description LS DUR LF KEY