[arks ] Consider the information of following activities - Activity Duration Predecessors A 4 B 2 C 7 A,B D 1 E 6 OUW F 4 G 1 E Using the above information, Insert the Early Start (ES), Early Finish (EF), Late Start (LS), Late Finish (LF) and Slack Time of the following specified nodes. (Only integer value, no decimal points. For example if your ans is 7.4 or 7.6, insert 7 only) Activity ES EF LS LF Slack Time A E F G