PM$\mathrm{.}66$ Real estate developer Russell Call was working with a few contractors to make a number of improvements to one of his rental properties. After gathering information from these contractors he determined the following durations, predecessors, and costs of all the required activities:

Activity Normal Time $($weeks$)$ Crashed Time $($weeks$)$ Normal Cost Crashed Cost Predecessor$($s$)$

A $32$ $$1,000$ $$3,300-$

B $65$ $$2,200$ $$2,460-$

C $43$ $$1,400$ $$2,500-$

D $73$ $$2,100$ $$2,600$ A

E $63$ $$1,650$ $$2,250$ B

F $32$ $$4,100$ $$5,460$ C

G $42$ $$1,600$ $$2,100$ D$,$ E

What is the overall duration of the project?

$16$

Which of the following activities has the lowest crash cost per week?

C

D

E

A

Which of the following activities has the highest crash cost per week?

B

C

G

F

If you wanted to shorten the overall duration of the project, which activity should you crash first?

C

B

A

E

D

What is the total cost of crashing the project from its current duration down to $13$ weeks?

Number

Incorrect

Your Answer: $700$

What is the total cost of crashing the project from its original duration to $11$ weeks?

Number

Incorrect

Your Answer: $510$

Incor