lec4.3

import java.util.Scanner;

public class Retail {

    public static void main(String[] args) {
        Scanner input = new Scanner( System.in );
        int number;
        int quantity;
        int choice = 1;
        double total = 0;

        while(choice != 2){
            System.out.print("Product number: ");
            number = input.nextInt();
            System.out.print("Quantity sold: ");
            quantity = input.nextInt();

            switch(number){
            case 1: total += 2.98*quantity; break;
            case 2: total += 4.5*quantity; break;
            case 3: total += 9.98*quantity; break;
            case 4: total += 4.49*quantity; break;
            case 5: total += 6.87*quantity; break;
            default: System.out.println("error: wrong number of product!"); break;
            }
            System.out.print("To continue enter 1, To show total enter 2: ");
            choice = input.nextInt();
        }
        System.out.print("TOTAL: ");
        System.out.println(total);
    }

    }