using static System.Console;

namespace CheckCredit
{
    class Program
    {
        static void Main(string[] args)
        {
            const double CreditCheck = 8000;
            string userInput;
            double price;

            WriteLine("This is a program designed to check an item's price
            against your amount of available credit.");
            WriteLine("Your credit limit is $8,000.00.n");

            do
            {
                Write("Please type the item's price:");
                userInput = ReadLine();
                if (!double.TryParse(userInput, out _))
                {
                    WriteLine("Invalid input, please enter a whole or decimal number.");
                    userInput = null;
                }
            } while (!double.TryParse(userInput, out price));

            if (price > CreditCheck)
            {
                WriteLine(" You have exceeded the credit limit", price);
            }

            else if
            (price == CreditCheck)
            {
                WriteLine(
                "Approved.(*)nnn"
                +
                "(*) It is exactly your credit limit.");
            }
            else
            {
                WriteLine("Approved.");
            }
            ReadKey();
        }
    }
}