K. Nelson, project manager of Print Software, Inc., wants you to prepare a project network; compute the early, late, and slack activity times; determine the planned project duration; and identify the critical path. His assistant has collected the fol- lowing information for the Color Printer Drivers Software Project: ID A B D E F G H 1 J L Description External specifications Review design features Document new features Write software Program and test Edit and publish notes Review manual Alpha site Print manual Beta site Manufacture Release and ship Predecessor None A A A B D E, F G H1 Time 8 2 3 60 40 2 2 20 10 10 12 3