MS Access formula problem

I’m trying to create logic where [Expr3] is multiplied by (1+[Table Z].[Exchange rate]only when the Dept =  A or B.  If Dept does not equal A or B, then [Expr3] should be returned.  I tried the two attached variations, but instead of only performing the multiplication for Dept A or B, it’s performing the multiplication for any dept.  Due to data sensitivity, I cannot send the database so please let me know if I need to provide more details.  Can you please assist?
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You could use either of these:
FX Conv: IIf([Crosstab 2].[Dept]="A" Or [Crosstab 2].[Dept]="B", [Expr3]*(1+[Table Z].[Exchange rate]), [Expr3]))

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FX Conv: IIf([Crosstab 2].[Dept] IN("A","B"), [Expr3]*(1+[Table Z].[Exchange rate]), [Expr3]))

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When using the Or operator you need to apply it to the actual conditions, ie when you say Dept A = A or B you need to write it like this:
DeptA = "A" Or DeptA = "B"

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So, the correct way of writing the expression will be:
IIf([Crosstab 2].[Dept]="A" Or [Crosstab 2].[Dept]="B",[Expr3]*(1+[Table Z].[Exchange rate]),[Expr3])

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On the side note: try to use the meaningful names for the expressions. Ie the Expr3 should be renamed to something easy to understand, i.e. profit, totalSales, etc.
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Microsoft Access

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