There are four critical paths in a network. A-B-C-D-E, A-F-E, A-B-H-J-K-E and A-S-T-E. Each activity in this network can be crashed by a maximum of 5 weeks. The crashing cost (per week), for the first week (crashing first time), for activity A is: $480, E is $495 and all other activities is : $120 (per week per activity). The crashing cost, second week and onwards(crashing second time), for activity A is $1200 per week, E is $1440 per week and for all other activities is $240 per activity per week. You have a maximum crashing budget of $3005. The maximum possible reduction in the project duration will be: a. 6 weeks b. 4 weeks C. 3 weeks d. 2 week e. 5 weeks