Function Commission(Sales)
' Calculates sales commissions
Dim Tier1 As Double, Tier2 As Double
Dim Tier3 As Double, Tier4 As Double
Tier1 = 0.08
Tier2 = 0.105
Tier3 = 0.12
Tier4 = 0.14
Select Case Sales
Case 0 To 9999.99: Commission = Sales * Tier1
Case 10000 To 19999.99: Commission = Sales * Tier2
Case 20000 To 39999.99: Commission = Sales * Tier3
Case Is >= 40000: Commission = Sales * Tier4
End Select
Commission = Round(Commission, 2)
End Function
=Commission(25000)
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