Use the following to answer questions $11-12$:

Time left $2$:$18$:$23$

For the network shown above, the project indirect cost for each day is $$1,000.$ The following is the crashing

information:

If you crash this project to reduce the total time by one day as long as the crashing cost is less than $$1,000,$

which activity $($activities$)$ should you crash?

Select one:

a$.$ Activity $B$ and $F$

b$.$ None

c$.$ Activity G

d$.$ Activity B