Good evening, this code is currently giving me an error of not allowing me to get the price for the last item being input. For example: 1st item =...

Good evening, this code is currently giving me an error of not allowing me to get the price for the last item being input. For example:

1st item = 5.00

2nd item = 3.00

I choose 1 quanity of both items

result is just the first items price.

Code attached:

// Menu Selection

#include <iostream>

#include <cmath>

using namespace std;

// Declaring all my variables

char selection = ' ';

int nailSelection;

int stapleSelection;

int penSelection;

string name = "", address = "";

double nailPrice = 5.99;

double staplePrice = 3.99;

double penPrice = 1.99;

double totalCost;

int nailQuanity;

int stapleQuanity;

int penQuanity;

double nailTotal;

double stapleTotal;

double penTotal;

int main(void)

{

 char selection = ' ';

 string name = "", address = "";

 //Ask user for her/his name

 cout << "Please enter your name ==> ";

 getline(cin, name);

 //Ask user for her/his name

 cout << "Please enter your address ==> ";

 getline(cin, address);

 //display user name

 cout << "Welcome " << name << " from " << address << " to www.BigDepot.com" << endl; 

 {

 label:

  double totalCost = (nailTotal + stapleTotal + penTotal);

  cout << "Please select from our available products below!" << endl;

// display menu

 cout << "My Menu";

 cout << "========" << endl;

 cout << "1 - Nails $" << nailPrice << endl;

 cout << "2 - Staples $" << staplePrice << endl;

 cout << "3 - Pens $" << penPrice << endl;

 cout << "X - Exit " <<endl << endl;

 cout << "Enter selection: ";

 // read user selection

 cin>>selection;   

// The switch statement and calaculation of goods.

switch(selection)

  {

  case '1':

     cout << "You have selected Nails" << endl;

     cout << "How many boxes of Nails would you like?";

  cin >> nailQuanity;

  nailTotal = nailPrice * nailQuanity;

  cout << "$" << nailTotal << endl;

  cout << "Would you like another item? 1 = Yes, 2 = No" << endl;

  cin >> nailSelection;

  if (nailSelection == 1)

  goto label;

else;

  cout << "Your total cost for your item(s) is $" << totalCost << endl;

    break;

case '2':

     cout << "You have selected Staples" << endl;

     cout << "How many boxes of Staples would you like?";

  cin >> stapleQuanity;

  stapleTotal = staplePrice * stapleQuanity;

  cout << "$" << stapleTotal << endl;

  cout << "Would you like another item? 1 = Yes, 2 = No" << endl;

  cin >> stapleSelection;

  if (stapleSelection == 1)

  goto label;

else;

  cout << "Your total cost for your item(s) is $" << totalCost << endl;

    break;

case '3':

     cout << "You have selected Pens" << endl;

     cout << "How many boxes of Pens would you like?";

  cin >> penQuanity;

  penTotal = penPrice * penQuanity;

  cout << "$" << penTotal << endl;

  cout << "Would you like another item? 1 = Yes, 2 = No" << endl;

  cin >> penSelection;

  if (penSelection == 1)

  goto label;

else;

  cout << "Your total cost for your item(s) is $" << totalCost << endl;

    break;

case 'X' :

case 'x' :

cout << "Thank you and have a good day!" + name << endl;

   break;

   default : cout << "Invalid selection, Please try again";

}

  }

return 0;

  }

  //ERROR: Not accepting last input to totalprice