C++ Write a class that represents a cash register. The cash register has the fol
ID: 3565306 • Letter: C
Question
C++
Write a class that represents a cash register. The cash register has the following variables:
It also has the following functions
Write a main program that asks the user how many items do they want to enter, then get the cost of those items, then displays subtotal, display tax, and then displays the total. Then ask the user for money and display their change. Also display the current balance (assume the register starts with a balance of 100.00). Allow the user to repeat entering cost of items as many times as they want.
Explanation / Answer
#include<iostream>
using namespace std;
class CashRegister{
private:
double balance; // - current amount of money in register
double subtotal; // -sub total cost of products
double total; // - total cost of products
public:
CashRegister(){
balance = 100;
subtotal = total =0;
}
double calcTax(){ // - applies 8.75% tax
double tax = 0.0875 * subtotal;
return tax;
}
double getTotal(){ // - given the sum, add the tax and return the total
total = subtotal + calcTax();
return total;
}
void addItemCost(double c){ // - adds the item's cost to the current total
subtotal+=c;
}
double calcChange(double m){ // - computes change given an amount m paid{
double change = m - total;
setBalance(balance+total);
total = 0;
subtotal = 0;
return change;
}
double getBalance(){ //- returns the amount of money in the register
return balance;
}
void setBalance(double b){ // - assigns a money amount to the register
balance = b;
}
double getSubtotal(){ // - returns the subtotal
return subtotal;
}
};
int main(){
CashRegister* cr = new CashRegister();
int option;
do{
int cost = 0;
int c, n;
cout<<"Enter number of item to purchase : "; //purchase items
cin >>n;
for(int i=1;i<=n;i++){
cout<<"Enter cost of item "<<i<<" : ";
cin >> c;
cost+=c;
}
(*cr).addItemCost(cost); //add item cost to subtotal
cout<<"Subtotal : "<< (*cr).getSubtotal() <<endl;
cout<<"Tax : "<< (*cr).calcTax() <<endl;
cout<<"Total : "<< (*cr).getTotal() <<endl<<endl;
cout<<"Options"<<endl;
cout<<"1. Add more items to buy."<<endl;
cout<<"2. Proceed to payment."<<endl;
cout<<"Any other to Exit."<<endl;
cin>>option;
if(option == 1){ //add more items to buy
continue;
}
else if(option == 2){ //payment option
double x;
cout<<"Enter amount to pay with : ";
cin>>x;
cout<<"Your change returned is : "<<(*cr).calcChange(x)<<endl;
cout<<"The balance amount of register is : "<<(*cr).getBalance()<<endl;
}
}while(option ==1 || option ==2);
system("pause");
}
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