Google Sheets equation for P&L

[girlwhoexcels]

Looking for help on an equation, I saw a buddy of mine had this in his P&L and can not figure it out,
- Months are in a drop down at the top of the sheet. once you select the month you want all that info on the page only shows the corresponding months data.
- switching to a different month - same happens.

how can I get that to happen on my P&L ?
Pictures included of his ...

 

[Muhammad_Usman]

Welcome to Board girlwhoexcels!


You can Get your required data by month selected in cell. You have to show how to organized your data.
Its is easy to help you If you please show a sample data..