public static void processOrder(OrderClass obj, double p) //initialize a new instance
{
Console.WriteLine("Order Processing");
Console.WriteLine("Credit Card Valid");
double total = (obj.getunitPrice() * obj.getAmount()) + obj.getTax() + obj.getLocationCharge();
Console.WriteLine("Order from {0} ", obj.getSenderId(),
"ordered ", obj.getAmount(),
"book(s).\nCredit Card Number:", obj.getcardNo(),
"\nPrice:", obj.getunitPrice());
Console.WriteLine("The total is:" + total);
}
