Problem 9-24 (Algorithmic)

Office Automation, Inc., developed a proposal for introducing a new computerized office system that will standardize the electronic archiving of invoices for a particular company. Contained in the proposal is a list of activities that must be accomplished to complete the new office system project. Use the following relevant information about the activities:

I only need the section below solved, thanks!

Immediate Time (weeks) Normal Crash Cost ($1000s) Normal Crash Activity Description Predecessor(s) Plan needs 12 8 30 110 B A 9 6 120 165 Order equipment Install equipment B 10 7 100 160 D Set up training lab A 8 6 40 60 E Conduct training course D 10 8 50 75 F Test system C, E 3 3 60 a. Which project network is correct? (0) (ii) B B Start A F Finish Start A F Finish D E D E (iii) (iv) B C B C Start A F Finish Start A F Finish D D E b. Develop an activity schedule. If your answer is zero, enter "0". Earliest Latest Earliest Latest Critical Activity Start Start Finish Finish Slack Activity A 0 0 12 12 0 Yes B 12 12 19 X 19 X 0 Yes 19 X 15 X 21 X 29 X 0 Yes D 12 8 X 14 X 14 X 1 No E 19 20 X 28 X 1 No F 3 3 X 60 X 0 Yes