Please see the attached file.

Develop a network for this data, total project completion time and the critical path:

Activity                                      immediate Predecessor                Time(days)

A                                                        -                                          2
B                                                        -                                           5
C                                                        -                                          1
D                                                        B                                         10
E                                                        A,D                                      3
F                                                         C                                        6
G                                                        E,F                                       8

Activity Predecessor Time
A 1-2 - 2
B 1-3 - 5
C 1-4 - 1
D 3-2 B 10
E 2-5 A,D 3
F 4-5 C 6
G 5-8 E,F 8