The following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations, what activities each must precede and the crash ocost to reduce duration per week: ITTI Duration Activity (weeks) A (start) Crash Cost/Week Precedes . E $370 $110 $240 $160 3 B 2 E 2 F (end) 2 $450 Suppose that Rafay is only given 8 weeks (instead of 11) to complete the project. By how many weeks should each activity be crashed in order to meet the deadline? Assume that you can crash an activity down to 0 woeks duration. Each Activity Should be Reduced BY Activity (weeks) O week(s) 1 week(s) 3 week(s) A