a$.$ Choose the correct project network diagram below.

A$.$

A

B

C

D

E

F

G

x y graph

B$.$

A

B

C

D

E

F

G

x y graph

C$.$

A

B

C

D

E

F

G

x y graph

D$.$

A

B

C

D

E

F

G

x y graph

Part $3$

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$-$

$$

G

E

E$-$G

F

F$-$G

$$

enter your response here

$$A$-$

$$

F

D

B$-$D

B$-$C

B

$-$E$-$G

$$

enter your response here

$$A$-$

$$

D$-$F

C$-$D

F

B$-$D$-$F

B$-$C$-$D

$-$G

$$

enter your response here

$$

B$-$A

B$-$D

A$-$B

D

B

$-$E$-$G

$$

enter your response here

$$B$-$

$$

E

F

C$-$D

D$-$F

$-$G

$$

enter your response here

Part $8$

c$.$ The critical activities are

$$

B$,$ D$,$ F$,$ and G

A$,$ C$,$ E$,$ and G

B$,$ D$,$ E$,$ and G

A$,$ D$,$ F$,$ and G

A$,$ D$,$ E$,$ and G

so they make up the critical path.

Part $9$

The entire project will take

$$

enter your response here days to complete. $($Enter your response rounded to one decimal place.$)$

Part $10$

d$.$ Management would like to complete the project in less than $19$ days. Management has determined that activity Upper E can be crashed $6$days$,$ for a total cost of $$$$7$ comma $500.$ No other activities can be crashed.

After$$ crashing,

$$

B$,$ D$,$ E$,$ and G

A$,$ D$,$ E$,$ and G

B$,$ D$,$ F$,$ and G

A$,$ D$,$ F$,$ and G

A$,$ C$,$ E$,$ and G

is the critical path. The entire project will take

$$

enter your response here days. $($Enter your response rounded to one decimal$$ place.$)$

Part $11$

Crashing activity Upper E

$$

will not

will

meet$$ management's goal of less than $19$ days.