# Sharon Lowe, vice president for marketing for the Electronic Toys Company,…

Sharon Lowe, vice president for marketing for the Electronic Toys Company, is about to begin a project to design an advertising campaign for a new line of toys. She wants the project completed within 57 days in time to launch the advertising campaign at the beginning of the Christmas season. Sharon Lowe is concerned that there is a significant chance that the vitally important deadline of 57 days will not be met. Therefore, to make it virtually certain that the deadline will be met, she has decided to crash the project, using the CPM method of time-cost trade-offs to determine how to do this in the most economical way. Sharon now has gathered the data needed to apply this method, as given below.Activity Immediate Predecessor Time (days) Cost (RM’000) Normal Crash Normal Crash A – 12 9 210 270 B – 23 18 410 460 C A 15 12 290 320 D B 27 21 440 500 E C 18 14 350 410 F E 6 4 160 210 a) Construct a network diagram to represent the above activities. Hence, determine its critical path and its completion time. (6 marks)b) If Sharon wants to crash the project to 47 days, what crashing decision would be recommended to meet the desired completion time at the least possible cost?(8 marks)c) How much is the additional cost required to meet the new deadline? (1 mark)

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