The __________ is added to the beginning or end of a number to validate the number's authenticity.

Problems - Correcting Logic and Code ErrorsThe following sample of code contains errors. Rewrite the incorrect statements to correct all errors.

Private Sub btnDisplay_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDisplay.Click' displays the pay rate associated with a pay codeDim strCodes() As String = {PT1, PT2, FT1, FT2, FT3}Dim dblRates() As Integer = {10.5, 12, 13.5, 14}Dim strSearchForCode As StringDim intSub As Integer' assign the code to a variabletxtCode.Text = strSearchForCode' search the strCodes array for the pay code' continue searching until the end of the array' or the pay code is foundDo Until intSub > strCodes.Length OrElsestrSearchForCode = strCodes(intSub)intSub = intSub + 1Loop' determine whether the pay code was foundIf intSub < strCodes.Length ThenlblRate.Text = dblRates(1).ToString("C0")ElseMessageBox.Show("Invalid Pay Code","Employee Pay Application",MessageBoxButtons.OK,MessageBoxIcon.Information)End IftxtCode.Focus()End Sub What will be an ideal response?

To specify a hotspot in an image map, you can use the ____ shape.

A. circle B. poly C. rect D. all of the above