I need to create a lookup in a table where I need to match one value in one column and another value in one of two columns (boolean: A * (B+C)). I have tried to attached an example.
I have tried using an INDEX MATCH formula, which works, unless the client name is not unique.
Any idea how I can do this, so it will work with not unique names? (The combination of name and item is always unique)
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