$15\mathrm{.}2$ First Printing and Copy Center has $4$ more jobs to be scheduled, in addition to those shown in Example $3$ in the chapter. Production scheduling personnel are reviewing the Gantt chart at the end of day $4.$

Job D was scheduled to begin early on day $2$ and to end on the middle of day $9.$ As of now $($the review point after day $4),$ it is $2$ days ahead of schedule.

Job E should begin on day $1$ and end on day $3.$ It is on time.

Job F was to begin on day $3,$ but maintenance forced a delay of $\frac{11}{2}$ days. The job should now take $5$ full days. It is now on schedule.

Job G is a day behind schedule. It started at the beginning of day $2$ and should require $6$ days to complete.

Develop a Gantt schedule chart for First Printing and Copy Center.