18. What value is assigned to decTaxes by the following program segment, assuming that the user enters 30000 into the textbox txtSalary.Text? Dim decSalary, decTaxes As Decimal decSalary = CDec

(txtSalary.Text) If (decSalary > 50000) Then decTaxes= .40decSalary ElseIf (sngSalary > 40000) Then decTaxes = .30 * decSalary ElseIf (sngSalary > 30000) Then decTaxes = .20 * decSalary Else decTaxes = .10 * decSalary End If а. 12000 b. 9000 с. 6000 d. 3000