Problem 4-15

For the network shown:

a-1.	Determine the critical path.
	multiple choice 1 A-B-D-G A-C-F-G A-B-E-G Incorrect A-C-E-G

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

Early completion time

25 Numeric ResponseEdit Unavailable.25incorrect.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	4	$	7,100		3	$	13,500
B	10		12,500		3		19,500
C	4		5,600		2		7,200
D	6		4,200		4		5,600
E	7		3,400		3		6,400
F	7		6,300		2		7,800
G	4		7,200		1		9,600

b-1.	Which activities in order of reduction would be shortened?
	multiple choice 2 G-E-A B-G-D D-D-G D-B-C Incorrect

b-2.	Find the resulting cost to crash.

Resulting cost

$

[D(6) B(10) (A(4) E(7) G(4) (C(4) F(7)