How to add a sum of column from another table using custom column option in Power Query ?

[CA_Rajeev]

Please help me in this case

I need to add the sum of Per Hour Columm which is 658 from overheads Table to another  query ( C_summary)  using custom column option

Please Help

Overheads Table

C_summary

[CA_Rajeev]

Thanks for your reply

But i am new to power Query can you confirm is this the way

List.Sum[OverheadsTable]{Per Hr}

[HotChilli]

You do this with List.Sum passing the table and column name