A project has three critical paths: A-B-C-D-E, A-G-H-E, and A-F-I-E. Crashing costs in thousands, per week) for each activity is listed below: Activity Crashing 1st time Crashing 2nd time Crashing 3rd time A 31 1 2 B 25 2 2 с 38 1 3 D 6 10 3 E 42 3 3 F 28 31 1 G 34 13 3 H 5 7 3 5 8 4 What is the total cost of reducing this project by two weeks? O a 73 Ob 41 ос. 58 Od 47 ое. 43