Conider the project schedule shown in the table below. Times are given in days. Activity Predecessor(s) Duration ES EF LS LF Slack A - 8 0 8 0 8 0 B A 13 13 C A 4 8 13 D B 5 13 18 19 6 E B, C 6 13 19 13 19 0 F C 6 13 19 1 G E, F 5 19 24 19 0 What is the duration of activity B? The duration of activity B is nothing days. What is the project duration? The project duration is nothing days. What is the critical path? (Enter your answer as a sequence of capital letters with no dashes or spaces.) The critical path is nothing .