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 6 weeks. The crashing cost (per week), for the first week, for activity A is: $540, E is $545 and all other activities is : $135 (per week per activity). The crashing cost, second week and onwards, for activity A is $1080 per week, E is $1350 per week and for all other activities is $405 per activity per week. You have a maximum crashing budget of $2300. The maximum possible reduction in the project duration will be: a. 4 weeks b. 2 weeks c. 5 weeks d. 1 week e. 3 weeks