please draw this predecessor chart

\begin{tabular}{|l|c|c|} \hline \multicolumn{1}{|c|}{ Tasks } & Time (Min) & Predecessors \\ \hline A. Click on Patient Details & 2 & \\ \hline B. Call Patient & 2 & A \\ \hline C. Verify info on patient is correct & 4 & A, B \\ \hline D. Elicit key info on problem from patient & 6 & C \\ \hline E. Enter Information on computer & 14 & D \\ \hline F. Elicit more info on problem (Pain? Known Cause?) & 10 & C,D \\ \hline G. Collect additional patient info (on meds? Pregnant?) & 6 & C,D \\ \hline H. Examine observable signs (Bruises, wounds) & 8 & G \\ \hline I. Contact specialty, if required & 12 & H \\ \hline J. Order other tests (X ray, blood) as required & 9 & H \\ \hline K. Offer and give pain killers & 6 & J \\ \hline L. Treat (dress wounds, give advice) & 13 & K \\ \hline M. Direct/take patient to next area/home & 5 & L \\ \hline \end{tabular}