public static void Main()
double creditUsed = 23.25;
double available = maxCredit-creditUsed;
Console.WriteLine("Maximum credit is: "+string.Format("{0:C}",maxCredit));
Console.WriteLine("You have used this much credit: "+string.Format("{0:C}",creditUsed));
Console.WriteLine("Your available credit is: "+string.Format("{0:C}",available));