Untitled

Trouble accessing private object data
enum ItemType {BOOK, DVD, SOFTWARE, CREDIT};

class Sale
{
public:
Sale();         // default constructor,
            // sets numerical member data to 0

void MakeSale(ItemType x, double amt);

ItemType Item();        // Returns the type of item in the sale
double Price();     // Returns the price of the sale
double Tax();       // Returns the amount of tax on the sale
double Total();     // Returns the total price of the sale
void Display();     // outputs sale info (described below)

private:
double price;   // price of item or amount of credit
double tax;     // amount of sales tax (does not apply to credit)
double total;   // final price once tax is added in.
ItemType item;  // transaction type
};

class Register{
public:

Register(int ident, int amount);
~Register();
int GetID(){return identification;}
int GetAmount(){return amountMoney;}
void RingUpSale(ItemType item, int basePrice);
void ShowLast();
void ShowAll();
void Cancel();
int SalesTax(int n);

private:

int identification;
int amountMoney;
int listSize = 5;
int numSales;
Sale* sale;
};

void Register::RingUpSale(ItemType item, int basePrice){
if(numSales == listSize){
        listSize += 5;
        Sale * tempArray = new Sale[listSize];
        memcpy(tempArray, sale, numSales * sizeof(Sale));
        delete [] sale;
        sale = tempArray;
    }
    sale[numSales]->item = item; //this works for some reason
    sale[numSales]->total = basePrice; // this doesn't
    if(item == 'CREDIT'){
            sale[numSales]->tax = 0; // and this doesn't
            sale[numSales]->total = basePrice; // and neither does this
            amountMoney -= basePrice;
    }
    ++numSales;
}