The following activities are part of a project to be scheduled using CPM:
| Activity | Predecessors | Duration |
|---|---|---|
| A | 6 | |
| B | A | 3 |
| C | A | 7 |
| D | C | 2 |
| E | B,D | 4 |
| F | D | 3 |
| G | E,F | 7 |
a) Draw the network
b) What is the critical path?
c) How many weeks will it take to complete the project?
d) How much slack does the activity B have?