The Tip Calculator computes the TIP and Total Bill, based on the bill (b), and the quality of service (q).
Levels of quality of service and the appropriate percentage of the bill used for calculating the TIP.
Quality of Service is a measure of the performance of the waiter or waitress. Descriptive words to consider in Quality of Service are:
Quality of Service is not a statement on the quality of the food, nor should the server be punished or rewarded for the quality of the food.
The Calculator returns the Bill, TIP and Total (e.g. Bill:$14.50 TiP:$2.90 Total:$17.40)