public static void Main(string[] args)
{
// creates instance of People & Fee class
Student user = new Student();
Fee userFee = new Fee();
Console.WriteLine("What is your name?");
user.studentName = Console.ReadLine();
Console.WriteLine("What is your CWID?");
user.CWID = int.Parse(Console.ReadLine());
Console.WriteLine("What is your major?");
user.major = Console.ReadLine();
Console.WriteLine("What is your GPA?");
user.GPA = double.Parse(Console.ReadLine());
Console.WriteLine("How many credits are you taking?");
userFee.credits = int.Parse(Console.ReadLine());
userFee.CalculateFee(userFee.credits);
Console.WriteLine("Your tuition is {0:C} per semester.", userFee.tuition);
}