How can I avoid a #DIV/0! error in the formula below when some (not all) of the data in column D will legitimately be zero?
Cells A1-A5 = Don Hours
Cells B1-B5 = Joe Hours
Cells C1-C5 = Sue Hours
Cells D1-D5 = Total Hours (SUM(A1:C1))
Cells E1-E5 = Total Fee
Formula = SUMPRODUCT(A1:A5*E1:E5/D1:D5)
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