Q3. Elaborate on the following diagrams and graphs: (what why and when they are used)? A. First Diagram. 10 marks B. Second Diagram. 10 marks \begin{tabular}{|c|c|c|} \hline 6 & 5 & 10 \\ \hline \multicolumn{3}{|c|}{B} \\ \hline 11 & 5 & 15 \\ \hline \end{tabular} Path ABD=25 \begin{tabular}{|c|c|c|} \hline 16 & 15 & 30 \\ \hline \multicolumn{3}{|c|}{D} \\ \hline 16 & 0 & 30 \\ \hline \end{tabular} Finish \begin{tabular}{|c|c|c|} \hline 6 & 10 & 15 \\ \hline \multicolumn{3}{|c|}{C} \\ \hline 6 & 0 & 15 \\ \hline \end{tabular} (Critical Path) NOTE: This example uses the accepted convention of the project starting on day 1 for calculating start and finish dates. There are other accepted conventions that may be used. Costs of Quality Time Spent.