What is the minimum cost of crashing the following project t

What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days? Total Cost Nomal Crash Time Time (days) (days) Na Ac Cost with Crashing Immediate Predecessors) $800 5300 $800 5750 1,200 $1.100 S650 $1500 $1,650 By haw maiy days should each activily be crashed to reduce the project campletian time by days? Fill in the lable bela. (Enter your respanses as whale numbers) Each Activity Should be Reduced BY

Solution

The possible parallel paths and their corresponding NORMAL durations as follows :

A-D = 6 + 6 = 12 days

B = 8 days

C-E = 6 +5 = 11 days

Following action are to be taken for crashing the project by 4 days :

Reduce duration of A from 6 days to 5 days, i.e. reduce by 1 day

Reduce duration of D from 6 days to 3 days , i.e. reduce by 3 days

Reduce duration of C from 6 days to 5 days i.e. reduce by 1 day

Reduce duration of E from 5 days to 3 days i.e. reduce by 2 days

ACTIVITY

EACH ACTIVITY SHOULD BE REDUCED BY ( DAYS )

A

1

B

0

C

1

D

3

E

2

ACTIVITY	EACH ACTIVITY SHOULD BE REDUCED BY ( DAYS )
A	1
B	0
C	1
D	3
E	2