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a guest Jun 19th, 2019 58 Never
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  1. using static System.Console;
  2.  
  3. namespace CheckCredit
  4. {
  5.     class Program
  6.     {
  7.         static void Main(string[] args)
  8.         {
  9.             const double CreditCheck = 8000;
  10.             string userInput;
  11.             double price;
  12.  
  13.             WriteLine("This is a program designed to check an item's price
  14.             against your amount of available credit.");
  15.             WriteLine("Your credit limit is $8,000.00.n");
  16.  
  17.             do
  18.             {
  19.                 Write("Please type the item's price:");
  20.                 userInput = ReadLine();
  21.                 if (!double.TryParse(userInput, out _))
  22.                 {
  23.                     WriteLine("Invalid input, please enter a whole or decimal number.");
  24.                     userInput = null;
  25.                 }
  26.             } while (!double.TryParse(userInput, out price));
  27.  
  28.             if (price > CreditCheck)
  29.             {
  30.                 WriteLine(" You have exceeded the credit limit", price);
  31.             }
  32.  
  33.             else if
  34.             (price == CreditCheck)
  35.             {
  36.                 WriteLine(
  37.                 "Approved.(*)nnn"
  38.                 +
  39.                 "(*) It is exactly your credit limit.");
  40.             }
  41.             else
  42.             {
  43.                 WriteLine("Approved.");
  44.             }
  45.             ReadKey();
  46.         }
  47.     }
  48. }
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