Important Note: You need to show your work to get full grade. You can draw it with hand & take picture to show your work. You need to answer the question in clear$/$readable format with labels.

Question $1$:

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:

$\backslash$table$[[$ID Description,Predecessor,$\backslash$table$[[$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$,12],[$L Release and ship,K$,3]]$