Simple codes for C# please help me :(

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C#

using System;

namespace PrintPrice
{
    class Price
    {
        const int maximumLineNumber = 50;
        const int pageLength = 20;
        const int pricePerLicense = 1100;
        const int packageOfLicenses = 10;

        static void Main()
        {
            int lineNumber;
            int quantityOfLicenses;
            int totalForLicenses;
            int pricePerLicense;
            int maximumLineNumber;
            int pageLength;
            int packageOfLicenses;

            Console.Write("Enter a price per license: ");
            if (!int.TryParse(Console.ReadLine(), out pricePerLicense))
            {
                pricePerLicense = Price.pricePerLicense;
                Console.WriteLine("Automatically the price per license is: " + pricePerLicense);
                Console.WriteLine();
            }

            Console.Write("Enter a maximum line number: ");
            if (!int.TryParse(Console.ReadLine(), out maximumLineNumber))
            {
                maximumLineNumber = Price.maximumLineNumber;
                Console.WriteLine("Automatically the maximum line number is: " + maximumLineNumber);
                Console.WriteLine();
            }

            Console.Write("Enter a page length per output: ");
            if (!int.TryParse(Console.ReadLine(), out pageLength))
            {
                pageLength = Price.pageLength;
                Console.WriteLine("Automatically the page length per output is: " + pageLength);
                Console.WriteLine();
            }

            Console.Write("Enter a package of licenses: ");
            if (!int.TryParse(Console.ReadLine(), out packageOfLicenses))
            {

                packageOfLicenses = Price.packageOfLicenses;
                Console.WriteLine("Automatically the package of licenses is: " + packageOfLicenses);
                Console.WriteLine();
            }


;
            int discount = 3500;
            int numberOfLicenses = 1;
            for (lineNumber = 1; lineNumber <= maximumLineNumber; lineNumber++)
            {
                if (packageOfLicenses == (10 * numberOfLicenses))
                {

                    discount = 3500 * lineNumber;
                    quantityOfLicenses = packageOfLicenses * lineNumber; /* Assuming packageOfLicenses=10, we print price of 10 licenses on line 1, and 20 licenses on line 2, …*/
                    totalForLicenses = quantityOfLicenses * pricePerLicense;
                    Console.WriteLine("Line " + lineNumber + ": "
                                              + quantityOfLicenses + " Licenses "
                                              + "cost " + (totalForLicenses - discount));

                }
 
                

                if ((lineNumber % pageLength) == 0) Console.ReadKey(); /* pause after every page printed */
            }

            Console.ReadKey();
        }
    }
}

please someone help me with this. :(
i need the output like this
10 licenses costs only 7500
20 licenses costs only 15000

line 1: licence PHP 1100
line 2: licenses PHP 2200
line 3: licenses PHP 3300
line 4: licenses PHP 4400
line 5: licenses PHP 5500
line 6: licenses PHP 6600
line 7: licenses PHP 7700
line 8: licenses PHP 8800
line 9: licenses PHP 9900
line 10: licenses PHP 7500
line 11: licenses PHP 8600
line 12: licenses PHP 9700
:
line 300 licenses PHP ….