b$.$ Identify all the paths through the network and their lengths. Fill in the table below $($enter your responses rounded to one decimal$$ place$).$

Part $4$Part $5$Part $6$Part $7$

Path

Length$($days$)$

$$A$-$C$-$

E$-$G

$$

$14\mathrm{.}5$

$$A$-$

D

$-$E$-$G

$$

$15$

$$A$-$

D$-$F

$-$G

$$

$13\mathrm{.}5$

B$-$D

$-$E$-$G

$$

$13$

$$B$-$

D$-$F

$-$G

$$

$11\mathrm{.}5$

Part $8$

c$.$ The critical activities are

$$

so they make up the critical path.