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 2 weeks. The crashing cost (per week), for the first week, for activity A is: $600, E is $605 and all other activities is : $150 (per week per activity). The crashing cost, second week and onwards, for activity A is $1200 per week, E is $1500 per week and for all other activities is $450 per activity per week. You have a maximum crashing budget of $2555. The maximum possible reduction in the project duration will be: