Write an If...Then...Else statement that calculates a 5% sales tax when the code variable contains the string 3 and calculates a 4.5% sales tax when the code variable contains anything other than 3. Calculate the sales tax by multiplying the tax rate by the contents of the Double sales variable. Assign the sales tax to the Double tax variable. Also write the code to display the sales tax (formatted with a dollar sign and two decimal places) in the taxLabel. (3, 4)