Group footer sum of values

G

GL

Hello

In a report’s sub footer I have three text boxes as follow:

1. SubCost = Sum([Cost]) where Cost is a numeric field
2. SubDeduction = IIf([SubDeduction].[Report].[HasData],
[SubDeduction].[Report]![SumofDeduction], 0) where SumofDeduction is a field
in a subreport included in the report’s footer.
3. Cost = [SubCost] – [SubDeduction]

What expression is necessary in the report’s group footer to give the sum of
Cost, I mean the sum of the values of text box 3 of the sub group footer.

Thank you
GL
 

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