A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Pivot tables were made exactly for this:
In the attached (link) , two offerings:
- On Sheet1 a plain Pivot table using the added date difference column. It groups the DaysOS.
- On Sheet1 (2) a pivot based on a Power Query based on just the 2 columns Date and Amount.
File here: https://app.box.com/s/qqz7sbkrs435wk6nfthj680wwte77bd1
ps. it's a lot better if you create a workbook for us to look at and link to it rather than just an image of one. Most responders here wouldn't bother to set up a workbook from your picture.