solution

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 following information for the Color Printer Drivers Software Project: ID Description Predecessor Time An External specifications None 8 B Review design features A    2 C Document new features A    3 D Write software A    60 E Program and test B    40 F Edit and publish notes C    2 G Review manual D    2 H Alpha site E, F 20 I Print manual G    10 J Beta site H, I 10 K Manufacture J 12 L Release and ship K    3