Question

Write a program that simulates a cashier terminal. Assume that a customer is purchasing an unknown number of different merchandise items, possibly with multiple quantities of each item. Use a while loop to prompt for the unit price and quantity. The loop should continue until the unit price is zero. Display a subtotal for each item. After the loop display the total amount due. Use currency format where appropriate. See Sample Run (inputs shown in blue).

You must use a while loop. Thanks so much.

What lies below is a sample run, the output should look like this:

Sample Run
Enter item price or zero to quit
2.49
Enter quantity for this item
3
Total this item is $7.47

Enter item price or zero to quit

3.79

Enter quantity for this item

2

Total this item is $7.58

Enter item price or zero to quit

5.99

Enter quantity for this item

4

Total this item is $23.96

Enter item price or zero to quit

0

Total is $39.01

Answer 1

SOURCE CODE:

*Please follow the comments to better understand the code.

**Please look at the Screenshot below and use this code to copy-paste.

***The code in the below screenshot is neatly indented for better understanding.

#include <iostream>
using namespace std;

int main()
{
double total=0;
   while(1)
   {
   int quantity;
   double price;
   cout<<"\nEnter item price or zero to quit"<<endl;
   cin>>price;
  
   // If price is zero, then break
   if(price==0)
   break;
  
   cout<<"Enter quantity for this item"<<endl;
   cin>>quantity;
  
   double temp=quantity*price;
   //add to the total
   total += temp;
  
   cout<<"Total this item is $"<<temp<<endl;
   }
  
   cout<<"\nTotal is $"<<total;
   return 0;
}

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SCREENSHOT: