Calculate (ES), (EF), (LS), (LF) times, total float, and free float for each activity. Identify the critical path. ES Act EF LF LS TF Dur FF A 2 FS = 0 FS=0 B 3 FF = 3 C FS=0 5 FF = 4 FS=0 SS=2 E FS=0 FS=0 FS=0 5 FS=(-2) FS=(-3) FF = 2 G 4 FF = 1 12 FS=2 FS=0 FS D FS =0 75=0