Excel: Calculating a Missed Deadline

I need to know how to count how many rows have missed a deadline. So I have 800 rows. Each row contains a Due Date(Column F) and a Date Sent (Column AH). I need to know the count of how many of those rows have missed a deadline. Is this even possible to do without having to create some type of separate column?

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This thread is current as of November 12, 2013.

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