Question

oblem S.ST evelopmient of Version 2 0 of a particular accounting software product is being considered by Jose Noguera's ompletion of this projedt are listed in the following table: technology firm in Baton Rouge. The activities necessary to Total Cost Normal Time Crash Time Normal with (weeks) Cost Crashing Immediate Predecessors) S2,000 $2.600 S2,300 $3,100 S750 $750 S2,500 $2.780 $1,000 $1,375 $3.000 S4,200 $1400 $2.000 D E a) Based on the given information regarding the activities for the project,the project length 16 weeks b) The total cost required for completing this project on normaltime $ 12950 c) For reducing the duration of the project by one week, the activity that should be crashed first is activityD he cost of the project based on the first activity selected for crashing will ncrease by $ 70 d) The maimum weeks by which the project can be reduced by crashing s7 weeks Totai cost of crashing the project to minimum (or maumum weeks possible)

Answer 1

T nde to find the cabia latt ahich is the Jongest the metuîk calculate the Stavt and end times with the vnalag ane give helo latest Fiwish (F) - in (is of al inmediate fele ts of at Immedia activities) Ealien finis (EF Est adivittim latest Stant (Ls) - LF - activity time

slark o we have t calalete Es, EF , LF, LS AchvbyDunation EF slack uJal0Y) Ls 2 1a 0 0 Slack iS "Zeo So te above table A-D-G a3e he

|キ2600 000 C o 3100 8o0 Q30c 15o Q500 3 315 315 t00o G1 srn thi's Projert on nJlmal time- Total Cart requised fi ameetig the Praject 000 $ 3000 t$リ400 2 300

Cg (母 activity Selfctsd fa conaskirq lncifase > S the eduin^ the dunab'on of the Poneject bq one Gret te adiwity that Should be ceshed fist activity is actvittS OU Jhojert d N th. mamumres by ohich the PnseCn dt tb minimum (n axims Posabte) CO 3 (315) + 600 5005 minimum al maxi mum aeehs ssible 5005