a$)$ Draw the AON network using the below information.

b$)$ Determine the estimated duration and variance for all activities.

c$)$ Compute ES$,$ EF$,$ LS$,$ and LF for all activities.

d$)$ Determine the estimated total duration of the project and the critical path.

e$)$ Draw a Gantt chart also.

FIRST TABLE IN THE PICTURE

f$)$ Find the crashing cost per day.

SECOND TABLE IN THE PICTURE.

SOLVE FOR A$,$B$,$C$,$D$,$E$,$F WITH ALL STEPS