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 April 4 & April 21 & 2/15,n/30 & (a) \\ \hline July 6 & July 24 & 1/1050X & (b) \\ \hline January 22 & January 27 & 2/10 EOM & (c) \\ \hline January 28 & February 4 & 3/10 EOM & (d) \\ \hline \end{tabular}