Resturant Discount - if else

using System;

namespace Exercise2
{
    class Program
    {
        static void Main(string[] args)
        {
            int groupSize = int.Parse(Console.ReadLine());
            string package = Console.ReadLine();


            if (groupSize <= 50)
            {
                string hallName = "Small Hall";
                double price1 = 2500;

                if (package == "Normal")
                {
                    double price2 = 500;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.05;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                } else if (package == "Gold")
                {
                    double price2 = 750;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.10;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                } else if (package == "Platinum")
                {
                    double price2 = 1000;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.15;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }

            } else if (groupSize > 50 && groupSize <= 100)
            {
                string hallName = "Terrace";
                double price1 = 5000;

                if (package == "Normal")
                {
                    double price2 = 500;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.05;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }
                else if (package == "Gold")
                {
                    double price2 = 750;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.10;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }
                else if (package == "Platinum")
                {
                    double price2 = 1000;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.15;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }

            } else if (groupSize > 100 && groupSize <= 120)
            {
                string hallName = "Great Hall";
                double price1 = 7500;

                if (package == "Normal")
                {
                    double price2 = 500;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.05;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }
                else if (package == "Gold")
                {
                    double price2 = 750;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.10;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }
                else if (package == "Platinum")
                {
                    double price2 = 1000;
                    double totalPrice = (price1 + price2);
                    double discount = totalPrice * 0.15;
                    double finalSum = totalPrice - discount;
                    double pricePerPerson = finalSum / groupSize;
                    Console.WriteLine($"We can offer you the {hallName} \nThe price per person is {pricePerPerson:f2}{"$"}");
                }

            } else if (groupSize > 120)
            {
                Console.WriteLine("We do not have an appropriate hall.");
            }




        }
    }
}