Determine the critical path.

• A-C-E-G

• A-B-D-G

• A-C-F-G

• A-B-E-G

a-2. Determine the early completion time in weeks for the project.

Early completion time weeks

For the data shown, reduce the project completion time by three weeks. Assume a linear cost per week shortened.

ACTIVITY	NORMAL TIME	NORMAL COST			CRASH TIME	CRASH COST
A	6	$	7,500		2	$	12,200
B	14		12,700		8		18,700
C	7		5,300		5		8,500
D	5		4,600		4		6,400
E	6		3,700		5		4,600
F	5		6,500		3		8,900
G	2		7,300		1		7,900

b-1. Which activities in order of reduction would be shortened?

• B-G-D

• G-E-A

• D-B-C

• G-B-B

b-2. Find the resulting cost to crash.

Resulting cost $

D15) B(14) A[6) E16) G2) (C17 F(5