Generate the early start schedule and slack. Identify critical path(s). use excel with start day 0 by showing the formulas used to calculate so I

Generate the early start schedule and slack. Identify critical path(s). use excel with start day 0 by showing the formulas used to calculate so I re-do it myself. Activity Duration           Predecessors 1 Select vendor 1 week None 2 Hire Finance module consultant          4 weeks            1 3 Hire Materials Mgmt consultant          4 weeks            1 4 Develop internal team            10 weeks          None 5 Select hardware system          3 weeks             2,3 6 Implement hardware system  8 weeks            5 7 Develop Finance interfaces     8 weeks            6 8 Install Finance module            3 weeks            6 9 Test Finance module  2 weeks            7,8 10 Put Finance module on-line  0           9 11 Develop Materials Mgmt interfaces   15 weeks          6 12 Install Materials Mgmt module         6 weeks            10,11 13 Test Materials Mgmt module 3 weeks           12 14 Put Materials Mgmt module on-line  0          13 15 Develop Finance user training           5 weeks           4,7 16 Develop Materials Mgmt user training           7 weeks           4,11