Respuesta :
Answer:
We have the files and codes below with appropriate comments
Explanation:
ItemToPurchase.h:
#pragma once
#ifndef ITEMTOPURCHASE_H_INCLUDED
#define ITEMTOPURCHASE_H_INCLUDED
#include<string>
#include <iostream>
using namespace std;
class ItemToPurchase
{
public:
  //Declaration of default constructor
  ItemToPurchase();
  //Declaration of SetName function
  void SetName(string ItemName);
  //Declaration of SetPrice function
  void SetPrice(int itemPrice);
  //Declaration of SetQuantity function
  void SetQuantity(int itemQuantity);
  //Declaration of GetName function
  string GetName();
  //Declaration of GetPrice function
  int GetPrice();
  //Declaration of GetQuantity function
  int GetQuantity();
private:
  //Declaration of itemName as
  //type of string
  string itemName;
  //Declaration of itemPrice as
  //type of integer
  int itemPrice;
  //Declaration of itemQuantity as
  //type of integer
  int itemQuantity;
};
#endif
ItemToPurchase.cpp:
#include <iostream>
#include <string>
#include "ItemToPurchase.h"
using namespace std;
//Implementation of default constructor
ItemToPurchase::ItemToPurchase()
{
  itemName = "none";
  itemPrice = 0;
  itemQuantity = 0;
}
//Implementation of SetName function
void ItemToPurchase::SetName(string name)
{
  itemName = name;
}
//Implementation of SetPrice function
void ItemToPurchase::SetPrice(int itemPrice)
{
  this->itemPrice = itemPrice;
}
//Implementation of SetQuantity function
void ItemToPurchase::SetQuantity(int itemQuantity)
{
  this->itemQuantity = itemQuantity;
}
//Implementation of GetName function
string ItemToPurchase::GetName()
{
  return itemName;
}
//Implementation of GetPrice function
int ItemToPurchase::GetPrice()
{
  return itemPrice;
}
//Implementation of GetQuantity function
int ItemToPurchase::GetQuantity()
{
  return itemQuantity;
}
main.cpp:
#include<iostream>
#include<string>
#include "ItemToPurchase.h"
using namespace std;
int main()
{
  //Declaration of ItemToPurchase class objects
  ItemToPurchase item1Cart, item2Cart;
  string itemName;
  //create a variable names like itemPrice
  //itemQuantity,totalCost as type of integer
  int itemPrice;
  int itemQuantity;
  int totalCost = 0;
  //Display statement for Item1
  cout << "Item 1:" << endl;
  cout << "Enter the item name : " << endl;
  //call the getline function
  getline(cin, itemName);
  //Display statememt
  cout << "Enter the item price : " << endl;
  cin >> itemPrice;
  cout << "Enter the item quantity : " << endl;
  cin >> itemQuantity;
  item1Cart.SetName(itemName);
  item1Cart.SetPrice(itemPrice);
  item1Cart.SetQuantity(itemQuantity);
  //call cin.ignore() function
  cin.ignore();
  //Display statement for Item 2
  cout << endl;
  cout << "Item 2:" << endl;
  cout << "Enter the item name : " << endl;
  getline(cin, itemName);
  cout << "Enter the item price : " << endl;
  cin >> itemPrice;
  cout << "Enter the item quantity : " << endl;
  cin >> itemQuantity;
  item2Cart.SetName(itemName);
  item2Cart.SetPrice(itemPrice);
  item2Cart.SetQuantity(itemQuantity);
  //Display statement
  cout << "TOTAL COST : " << endl;
  cout << item1Cart.GetName() << " " << item1Cart.GetQuantity() << " @ $" << item1Cart.GetPrice() << " = " << (item1Cart.GetQuantity()*item1Cart.GetPrice()) << endl;
  cout << item2Cart.GetName() << " " << item2Cart.GetQuantity() << " @ $" << item2Cart.GetPrice() << " = " << (item2Cart.GetQuantity()*item2Cart.GetPrice()) << endl;
  totalCost = (item1Cart.GetQuantity()*item1Cart.GetPrice()) + (item2Cart.GetQuantity()*item2Cart.GetPrice());
  cout << endl;
  cout << "Total : $" << totalCost << endl;
  return 0;
}
