ANSWER ALL PLEASE

ANSWER ALL

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: Immediate Predecessor(s) Time (weeks) Normal Crash Activity Cost ($1000s) Normal Crash 30 90 A 11 8 B 8 6 120 150 Description Plan needs Order equipment Install equipment Set up training lab Conduct training course Test system B 10 7 100 160 D 7 6 40 50 E D 10 8 50 75 F C, E 3 3 3 60 a. Which project network is correct? (0) (ii) B B C Start Finish Start A Finish (ii) (iv) B C B Start A Finish Start F Finish D E D b. Develop an activity schedule. If your answer is zero, enter "0". Latest Latest Critical Earliest Start Earliest Finish Activity Start Finish Slack Activity A B III D III III E F c. What are the critical activities, and what is the expected project completion time? Critical Path: Expected project completion time = weeks. d. Assume that the company wants to complete the project in six months or 26 weeks. What crashing decisions do you recommend to meet the desired completion time at the least possible cost? Work through the network and attempt to make the crashing decisions by inspection. Cost ($1000s) Crash Activities Number of Weeks 3 B 2. 1 D 1 E 1 e. Develop an activity schedule for the crashed project. If your answer is zero, enter "O". Earliest Latest Earliest Latest Critical Activity Start Start Finish Finish Slack Activity A B D III DOI IIIII IIIIII E F f. What added project cost is required to meet the six-month completion time? Total added cost due to crashing $