C# 2.3 Vacation

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _2.Vacation
{
    class Program
    {
        static void Main(string[] args)
        {
            // First Input Info: 1. group of people (int) - 2. type of the group (string) - 3. which day of the week (string) +++
            /* Second Info: Based on that information calculate how much they have to pay and print that price on the console. Use the table +++
                 Discount:
                • Students – if the group is bigger than or equal to 30 people you should reduce the total price by 15% +++
                • Business – if the group is bigger than or equal to  100 people 10 of them can stay for free. +++
                • Regular – if the group is bigger than or equal to 10 and less than or equal to 20 reduce the total price by 5% */

            int groupNum = int.Parse(Console.ReadLine());
            string groupType = Console.ReadLine();
            string day = Console.ReadLine();

            decimal price = 0;


            if (groupType == "Students")
            {
                if (day == "Friday")
                {
                    price = 8.45M;

                }
                else if (day == "Saturday")
                {
                    price = 9.80M;
                }
                else if (day == "Sunday")
                {
                    price = 10.46M;
                }

                if (groupNum < 30)
                {
                    Console.WriteLine($"Total price: {groupNum * price:F2}");
                }
                else
                {
                    Console.WriteLine($"Total price: {groupNum * price * 0.85M:F2}");
                }

            }

            else if (groupType == "Business")
            {
                if (day == "Friday")
                {
                    price = 10.90M;

                }
                else if (day == "Saturday")
                {
                    price = 15.60M;
                }
                else if (day == "Sunday")
                {
                    price = 16;
                }

                if (groupNum < 100)
                {
                    Console.WriteLine($"Total price: {groupNum * price:F2}");
                }
                else
                {
                    Console.WriteLine($"Total price: {(groupNum - 10) * price:F2}");
                }
            }

            else if (groupType == "Regular")
            {
                if (day == "Friday")
                {
                    price = 15;

                }
                else if (day == "Saturday")
                {
                    price = 20;
                }
                else if (day == "Sunday")
                {
                    price = 22.50M;
                }

                if (groupNum < 10 || groupNum > 20)
                {
                    Console.WriteLine($"Total price: {groupNum * price:F2}");
                }
                else if (groupNum >= 10 && groupNum <= 20)
                {
                    Console.WriteLine($"Total price: {groupNum * price * 0.95M:F2}");
                }
            }

        }
    }
}