use the void to make a function called makeSale() see code below #include<iostre

Question

use the void to make a function called makeSale() see code below

#include<iostream>
using namespace std;
int main()
{
   int choice=0,salecount=0;
   double cashRegister=0;
   cout<<"Walgreens store Cash Register Manager"<<endl;
   while(choice!=5)
   {
       cout<<endl;
       cout<<"1- New Sale"<<endl;
       cout<<"2- Cash Out"<<endl;
       cout<<"3- Cash In"<<endl;
       cout<<"4- Report"<<endl;
       cout<<"5- Exit"<<endl;
       cout<<"What do you want to do: ";
       cin>>choice;
       if(choice==1)
       {
           int itemcount=0,itemcode=0;
           double weight=0,unitprice=0,unittotal=0;
          
           cout<<"How many items in this sale: " ;
           cin>>itemcount;
           for(int i=1;i<=itemcount;i++)
           {
               cout<<"Item Code: ";
               cin>>itemcode;
               if(itemcode<100)
               {
                   cout<<"Item price/pound: ";
                   cin >> unitprice;
                   cout<<"Item weight: ";
                   cin>>weight;
                   unitprice=unitprice*weight;
               }
               else
               {
                   cout<<"Item price: ";
                   cin >> unitprice;
                   unitprice = unitprice + unitprice*0.1;
               }
               unittotal += unitprice;
           }
           cashRegister += unittotal;
           salecount++;
       }
       else if(choice==2)
       {
           double amount;
           cout<<"Cash-out amount? ";
           cin>>amount;
           if(amount<cashRegister)
           {
               cashRegister -= amount;
           }
           else
               cout<<"Cash out amount cannot be greater than Cash Register amount. Please retry";
       }
       else if(choice==3)
       {
           double amount;
           cout<<"Cash-in amount? ";
           cin>>amount;
           cashRegister += amount;
       }
       else if(choice==4)
       {
           cout<<"# of sales: " << salecount << endl;
           cout<<"Total: " << cashRegister << endl;
       }
       else if(choice==5)
       {
           cout<<"Thank You"<<endl;
           break;
       }
       else
       cout<<"Invalid choice Please retry"<<endl;
   }
  
   return 0;
}

Explanation / Answer

#include<iostream>
using namespace std;

int salecount=0;
double cashRegister=0;

void makeSale()
{
   int itemcount=0,itemcode=0;
     double weight=0,unitprice=0,unittotal=0;
   
   cout<<"How many items in this sale: " ;
     cin>>itemcount;
   for(int i=1;i<=itemcount;i++)
     {
         cout<<"Item Code: ";
         cin>>itemcode;
         if(itemcode<100)
         {
             cout<<"Item price/pound: ";
             cin >> unitprice;
             cout<<"Item weight: ";
             cin>>weight;
             unitprice=unitprice*weight;
         }
         else
         {
             cout<<"Item price: ";
             cin >> unitprice;
             unitprice = unitprice + unitprice*0.1;
         }
         unittotal += unitprice;
     }
     cashRegister += unittotal;
     salecount++;
     return ;
}
int main()
{
     int choice=0;
     cout<<"Walgreens store Cash Register Manager"<<endl;
     while(choice!=5)
     {
         cout<<endl;
         cout<<"1- New Sale"<<endl;
         cout<<"2- Cash Out"<<endl;
         cout<<"3- Cash In"<<endl;
         cout<<"4- Report"<<endl;
         cout<<"5- Exit"<<endl;
         cout<<"What do you want to do: ";
         cin>>choice;
         if(choice==1)
         {
         
            makeSale();
         
         }
         else if(choice==2)
         {
             double amount;
             cout<<"Cash-out amount? ";
             cin>>amount;
             if(amount<cashRegister)
             {
                 cashRegister -= amount;
             }
             else
                 cout<<"Cash out amount cannot be greater than Cash Register amount. Please retry";
         }
         else if(choice==3)
         {
             double amount;
             cout<<"Cash-in amount? ";
             cin>>amount;
             cashRegister += amount;
         }
         else if(choice==4)
         {
             cout<<"# of sales: " << salecount << endl;
             cout<<"Total: " << cashRegister << endl;
         }
         else if(choice==5)
         {
             cout<<"Thank You"<<endl;
             break;
         }
         else
         cout<<"Invalid choice Please retry"<<endl;
     }

     return 0;
}

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