Schedule compression

i. what is the crash cost per day for each activity?
ii. which activities should be crashed to meet a project deadline of 10 days with a minimum cost? you may assume that you can partially crash an activity.
iii. what is the new cost after crashing the project?
iv. is partial crashing an appropriate assumption for this kind of project?

activity

normal time

crash time

normal cost

crash cost

a

7

4

$500

$800

b

3

2

$200

$350

c

6

4

$500

$900

d

5

1

$200

$500

e

2

1

$300

$550