i am trying to sum a column based on multiple criteria. Example
If "Capital Proposal C&D Cost" column is blank, I want to set "Total Project Cost" Column = "Final Roadmap Value" column + "Estimated C&D Cost" column
Else, I want to set "Total Project Cost" Column = "Final Roadmap Value" column + "Capital Proposal C&D Cost" column
Any advise on how to do this is much appreciated!!