c$.$ The critical activities are

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

so they make up the critical path.

Part $9$

The entire project will take

$$

$22$ days to complete. $($Enter your response rounded to one decimal place.$)$

Part $10$

d$.$ Management would like to complete the project in less than $16$ days. Management has determined that activity Upper E can be crashed $0\mathrm{.}5$days$,$ for a total cost of $$$$15$ comma $000.$ No other activities can be crashed.

After$$ crashing,

$$

is the critical path. The entire project will take

$$

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