Determine the last date the cash discount may be taken.

Determine the last date the cash discount may be taken. \begin{tabular}{|l|l|l|l|} \hline \multicolumn{1}{|c|}{ Invoice Date } & DateMerchandiseWasReceived & \multicolumn{1}{|c|}{ Terms } & \multicolumn{1}{c|}{LastDateforCashDiscount} \\ \hline June 16 & June 22 & 3/10,n/30 & (a) \\ \hline July 5 & July 21 & 6/10 as of Sept. 1 & (b) \\ \hline November 20 & November 25 & 3/1050X & (c) \\ \hline August 13 & August 17 & 1/10,n/30 & (d) \\ \hline \end{tabular}