Need help in Index, Match usage to match multiple criteria in sum function

Originally Posted by FDibbins

But if Key is unique, and you have that, why do you need anything else?

Sorry could not understand.
Each row has its unique key, but when I want to
create report as shown in the attachment how can I do with
Key?
Please explain me.
If possible can you reflect your idea into the attachment and
Help me?
Sorry for the inconvenience