I'm using SUMPRODUCT to tally the results based on a few conditions I've set. One of the conditions is the number of days between two dates. To count the days, I'm using DAYS360 and an IF statement to check if the cell is empty.
My problem is that SUMPRODUCT sees an "empty" cell as containing a number that is greater than 0. Of course, this is affecting my tally. I'm puzzled as to what I am doing wrong and how Excel "sees" blank cells.
I've attached a sample sheet for reference. I'd appreciate any tips and advice!
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