B1. Using the following table, do these tasks [15 points possible]: a. Correctly draw and label the network diagram including process times [deduct 1 pt/error] b. Complete the table of ES, EF, LS, and LFs [deduct 1 pt/error] c. Identify the critical path(s) [deduct 4 pts if incorrect] Normal Activity Crash Predecessor Time (days) Cost ($) Time (days) B, C, D Cost ($) A 40 B C, D 40 60 80 None 70 100 C 20 50 Activity A B C D ES EF LS LF CP(S)