Using the following table answer the following questions. Activity A B D Predecessor None CD AD A Normal Time (days) 3 4 5 4 Cost ($) 20 40 60 10 Crash Time (days) 1 3 3 2 Cost ($) 35 100 90 35 a. Which of the following choices is correct? (5 pts) For activity B, ES = 10, EF = 14, LS = 10, LF = 14 b. For activity C, ES = 7, EF = 12, LS = 7, LF = 12 For activity C, ES = 3, EF = 8, LS = 3, LF = 8 d. For activity B, ES = LS = 7, EF = LF = 11 C. Which of the following choices is correct? (5 pts) a. The critical path is A-D-C-B b. The critical path is A-B-C-D C. The critical path is A-D-B-C d. The critical path is A-B-D-C e. The critical path is A-C-D-B If you wanted to knock one (1) day off of your completion time, what would be the new product cost if you use the least expensive means to accomplish it? (5 pts) a $160.50 b. $137.50 c. $280.00 d $165.50 e. $105.00 Using the following diagram, answer the following questions. Which of the following choices is correct? 5 pts) For activity A, ES = 0, EF = 3, LS = 8, LF = 11 b. For activity C, ES = 0, EF = 2, LS = 0. LF = 2 For activity E, ES - 1, EF = 7, LS = 6, LF = 11 d. For activity G, ES ELS = 19, EF = LF = 23 a. c. Which of the following choices is correct? (5 pts) a. The critical path is B-E-F-G. b. The critical path is A-D-F-G. c. The critical path is A-D-C-G. d. The critical path is C-D-F-G. The critical path is C-G. e. A 3 B 1 Al 2 D 8 al E 6 0013 F 8 G 4