Zend certified PHP/Magento developer

If max true in one cell, show the value of another cell in a new cell

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I have a table of dates and figures (column A is the date, column B is the figure).

I have 2 cells that show the max and min of column B.

I’d like to be able to show the date from column A next to the cell that shows the max of column B so that I can quickly see what date the max occurred on.