slack time for A,B,C,E,F please

The following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations and what activities each must precede: Activity A (start) B E F (end) Duration (weeks) 2 3 5 1 4 Precedes B,C E F F This exercise contains only parts b, c, and d. b) The activities on the critical path are A-C-F c) The total project completion time for Rafay Ishfaq's software firm is 11 weeks. (Enter your response as a whole number) d) Determine the slack time for each of the activities. (Enter your responses as whole numbers.) Activity Slack Time (weeks) A