Please walk me through how to find these things

Use Excel to find these things:

early starts & finishes for each activity

late starts & finishes for each activity

slack by activity

critical path activities

Predecessors 00 D D E F G H Activity Obtain your boss's approval of your plan Obtain budget approval Obtain systems development approval Develop user specifications Obtain a marketing program from in-house marketing Obtain a marketing program from external consultant Review & select marketing program Systems development of module contents Design system interface Review & approve systems development Test prototype Revision & final system development Duration 8 days 12 days 10 days 80 days 120 days 60 days 5 days 80 days 50 days 5 days 10 days 20 days AB AB EF C G HI J K