How do I calculate with SUMPRODUCT in Excel


I have a spreadsheet with shops and dates. I can calculate and group by month how often someone has visited a shop, but do not know how to sum and group the extra charges for all shops (G2:G13) or for each shop (I2:I13) and others. Can someone help me?


Massimo ScolaInternshipAsked:
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barry houdiniCommented:
For all shops try this in G2


and in I2


and similar in other cells, see attached

regards, barry

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Well, I was going to try and answer this....

Nice formula Barry.
Massimo ScolaInternshipAuthor Commented:
Thanks a lot! Appreciate your help
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Microsoft Excel

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