$($a$)$ Draw up an activity network for the activities below, identifying the critical path.

SA$=$ systems analyst; SD$=$ systems designer; SC$=$ software coder

The McGraw$-$Hill Companies

$($b$)$ Draw up a resource table showing the number of each type of resource needed on each day of the

project and assuming that there is only one systems designer.

$($c$)$ Identify the best way of revising the plan to remove resource clashes.

please solve step by step draw diagrams by hand dont copy paste from chat gpt pls THOSE ARE WRONG