Keep the worksheets grouped. Now you want to display the cell address containing the quarterly donation displayed in cell L$2.$In cell L$3,$ insert the ADDRESS function with nested XMATCH functions. The first nested function looks up the Donor ID in cell K$1$ and compares it to the range A$1$:A$11.$ The second nested function looks up the quarter entered in cell K$2$ and compares it to the range A$1$:G$1.$Display the resulting address as a relative reference.