Restaurant Discount

using System;

namespace RestaurantDiscount
{
    class Program
    {
        static void Main(string[] args)
        {
            int groupsize = int.Parse(Console.ReadLine());
            string package = Console.ReadLine();
            double price = 0;
            string typehall = "";
            double discount = 0;
            double pricePerson = 0;


            if (groupsize <= 50)
            {
                switch (package) {
                    case "Gold":

                    typehall = "Small Hall";
                    price = 2500 + 750;
                    discount = (price - (price * 10) / 100);
                    pricePerson = discount / groupsize;
                    Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;
                    case "Normal":

                    typehall = "Small Hall";
                    price = 2500 + 500;
                    discount = (price - (price * 5) / 100);
                    pricePerson = discount / groupsize;
                    Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;
                    case "Platinum":

                    typehall = "Small Hall";
                    price = 2500 + 1000;
                    discount = (price - (price * 15) / 100);
                    pricePerson = discount / groupsize;
                    Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;

                }
            }
            else if (groupsize <= 100)
            {
                switch (package)
                {
                    case "Gold":

                        typehall = "Terrace";
                        price = 5000 + 750;
                        discount = (price - (price * 10) / 100);
                        pricePerson = discount / groupsize;
                        Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;
                    case "Normal":

                        typehall = "Terrace";
                        price = 5000 + 500;
                        discount = (price - (price * 5) / 100);
                        pricePerson = discount / groupsize;
                        Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;
                    case "Platinum":

                        typehall = "Terrace";
                        price = 5000 + 1000;
                        discount = (price - (price * 15) / 100);
                        pricePerson = discount / groupsize;
                        Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;

                }
            } else if (groupsize<= 120)
            {
                switch (package)
                {
                    case "Gold":

                        typehall = "Great Hall";
                        price = 7000 + 750;
                        discount = (price - (price * 10) / 100);
                        pricePerson = discount / groupsize;
                        Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;
                    case "Normal":

                        typehall = "Great Hall";
                        price = 7000 + 500;
                        discount = (price - (price * 5) / 100);
                        pricePerson = discount / groupsize;
                        Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;
                    case "Platinum":

                        typehall = "Great Hall";
                        price = 7000 + 1000;
                        discount = (price - (price * 15) / 100);
                        pricePerson = discount / groupsize;
                        Console.WriteLine($"We can offer you the {typehall}");
                        Console.WriteLine($"The price per person is {pricePerson:f2}$");
                        break;

                }
            }
            else
            {
                Console.WriteLine("We do not have an appropriate hall.");
                return;
            }
        }
    }
}