Dear all, Sorry to ask question again, or maybe i am just a beginner. I wanna ask: If there are 2 records Name Income Out Data1 1000 700 Data2 970 500 If i want to have the output: Name Income Out Balance Data1 1000 700 300 Data2 970 500 770 How to do that? Thx!!!!!!!! Yours sincerely, Jason Chan
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