C++ displays error variable not define. Write a program to display Total bill for a customer. The program asks the user to enter qty and price for the item. The regular customers gets discount of 3% of total bill. Your Output should display Number of Items=xxx Price per item= xx.xx Total Bill=xx.xx Discount amount=xx.xx Payment=xx.xx Input Processing Output Qty=int Price=double DisRate=0.03 Totalbill=Qty *price disAmt=totalbill * disrate payment= totalbill - disAmt Qty Price Totalbill DisAmt Payment