Hi there!
Check out the video of the tool that I have put together for you:
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This is based on Google Spreadsheet, so this isn't really an application, but you can use it as easily. The demo is based on UK online store, but it would be similar to any other stores. If you can give me the link to us store, I'll just plug that in.
We can work further with data if you need, or introduce some other automation, like mailing the data of sending daily reports, but that would all be extra work.
Let me know if I have got you interested.
Cheers,
Denis