Complete the forward And backward pass for the project with activities indicated below. How long will the project take? Calculate the free slack and total slack for all non-critical activities. Identify the critical path ID Description Predecessor Time (days) A 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