8. Chris received new word processing software for her birthday as well as a check to buy a new computer. Chris will prepare a college paper on the new computer using a list of activities she prepared along with their estimated times:

Estimated Time (hours) Activity

0.8 Install software

0.4 Outline the paper

0.2 Submit paper to instructor

0.6 Choose a paper topic

0.5 Use grammar checking to make corrections

3.0 Write the paper using the word processing software

2.0 Shop for a new computer

1.0 Select and purchase the new computer

2.0 Library research on chosen topic

a) Convert the activity list into a PERT/CPM network.

b) Determine the critical path and the time to complete the project.

c) What are some reasons the actual completion time may be longer than determined in part b)?