C++; help with string and if - else conditions.

#include

using namespace std;

int main()

{

float byoitem, halfItem, basePrice, taxRate, discountedPrice, grandTotal, tempTotal;

string Y, y, N, n, clubCard;

const float discount = .1;

// screen I/O

cout << "Enter price of first item: ";

cin >> byoitem;

cout << "Enter price of second item: ";

cin >> halfItem;

cout << "Does the customer have a club card? (Y/N): ";

cin >> clubCard;

cout << "Enter tax rate, e.g. 5.5 for 5.5% tax: ";

cin >> taxRate;

tempTotal = byoitem + (halfItem * .5);

if (clubCard = "Y" || clubCard = "y")

{discountedPrice = tempTotal - (tempTotal * discount / 100);

grandTotal = discountedPrice + (discountedPrice * taxRate);}

else (clubCard = "N" || clubCard = "n")

{grandTotal = tempTotal * taxRate}

cout << "Base price: " << basePrice << endl;

cout << "Price after discounts: " << discountedPrice << endl;

cout << "Total price: " << grandTotal << endl;

return 0;

}