There are five critical paths in a network. A-B-C-D-X-E, A-F-U-Y-E, A-F-G-Y-E, A-H-J-K-L-E and A-S-T-Y-E. Each activity in this network can be crashed by 133 hours. The maximum possible reduction in the project duration will be: a. Insufficient information b. 931 hour c. 532 hours d. 665 hours e. 1862 hours