Write a program that calculates tip amount from a restaurant bill. You enter the bill amount and the program will calculate the tax (10%) and fill out the amount for Tax and Total before Tip. Tip Percent is a Combo box which you select a tip percentage. The tip percentage will be typed in the Item property of Tip Percent Combo box. Once tip percent has been selected, you can click on the button (Calculate Tip) to display the tip.
