a. The following table shows the inter cluster distances in one stage of hierarchical clustering. In next step, which two clusters should be merged into one cluster and show the resultant table after the merging. Use single linkage method. \begin{tabular}{CCCCCC) \hline & Julie, John & Ryan & Bob & Ted & Sara \hline Julie, John & 0 & 1025 & 6100 & 625 & 29 \hline Ryan & 1025 & 0 & 2125 & 50 & 884 \hline Bob & 6100 & 2125 & 0 & 2825 & 5729 \hline Ted & 625 & 50 & 2825 & 0 & 514 \hline Sara & 29 & 884 & 5729 & 514 & 0 Whline \end{tabular) SP.DL.228