Problem $5\mathrm{.}7($Algo$)$

The following activities are part of a project to be scheduled using CPM:

a$.$ What is the critical path?

A$-$B$-$E$-$G

A$-$B$-$D$-$F$-$G

A$-$C$-$D$-$E$-$G

A$-$C$-$D$-$F$-$G

b$.$ How many weeks will it take to complete the project?

Number of weeks

c$.$ How much slack does activity B have?