Consider the following table of activities that describes a project network. Which activity will you crash first? Project Activities Normal Crash Activity Predecessors duration duration Normal cost Crash cost (days) (days) A -- 10 5 $ 1,000 $ 3,000 B A 20 10 $ 4,000 $ 6,000 C A 5 4 $ 2,000 $ 4,000 D B. C 3 2 $ 1,000 $ 2,000 E B. C 20 10 $ 5,000 $ 10,000 F B, C 4 3 $ 3,000 $ 4,000 G D, E, F 10 5 $ 2,000 $ 5,000