08. Fuel Tank - Part 2 (switch)

using System;

namespace FuelTank2
{
    class Program
    {
        static void Main(string[] args)
        {
            string fuel = Console.ReadLine();
            double liter = double.Parse(Console.ReadLine());
            string cart = Console.ReadLine();
            double sum = 0;

            if (cart == "No")
            {
                switch (fuel)
                {
                    case "Gas":
                        sum = 0.93;
                        break;
                    case "Gasoline":
                        sum = 2.22;
                        break;
                    case "Diesel":
                        sum = 2.33;
                        break;
                }
            }
            else
            {
                switch (fuel)
                {

                    case "Gas":
                        sum = 0.85;
                        break;
                    case "Gasoline":
                        sum = 2.04;
                        break;
                    case "Diesel":
                        sum = 2.21;
                        break;
                }
            }
            if (liter >= 20 && liter <= 25)
            {
                sum = 0.92 * sum;
            }
            else if (liter > 25)
            {
                sum = 0.9 * sum;
            }

            Console.WriteLine($"{sum * liter:F2} lv.");
        }
    }
}