Problem 1. Vehicles

using System;

public class Program
{
    static void Main()
    {
        Car car = (Car)Factory();
        Truck truck = (Truck)Factory();
        int cnt = int.Parse(Console.ReadLine());

        while (cnt > 0)
        {
            string command = Console.ReadLine();
            string[] data = command.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
            string action = data[0] + data[1];
            decimal argument = decimal.Parse(data[2]);

            switch (action)
            {
                case "DriveCar":
                    Console.WriteLine(car.Drive(argument));
                    break;
                case "DriveTruck":
                    Console.WriteLine(truck.Drive(argument));
                    break;
                case "RefuelCar":
                    car.Refuel(argument);
                    break;
                case "RefuelTruck":
                    truck.Refuel(argument);
                    break;
            }
            cnt--;
        }

        Console.WriteLine(car);
        Console.WriteLine(truck);
    }

    private static Vehicle Factory()
    {
        string[] part = Console.ReadLine().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
        decimal fuelQty = decimal.Parse(part[1]);
        decimal fuelConsumption = decimal.Parse(part[2]);
        switch (part[0])
        {
            case "Car":
                return new Car(fuelQty, fuelConsumption);
            case "Truck":
                return new Truck(fuelQty, fuelConsumption);
            default:
                return null;
        }
    }
}

public abstract class Vehicle
{
    public Vehicle(decimal fuelQuantity, decimal fuelConsumption)
    {
        FuelQuantity = fuelQuantity;
        FuelConsumption = fuelConsumption;
    }

    public decimal FuelQuantity { get; set; }
    public decimal FuelConsumption { get; set; }

    public string Drive(decimal distance)
    {
        if (distance * FuelConsumption > FuelQuantity)
        {
            return $"{this.GetType().Name} needs refueling";
        }
        FuelQuantity -= distance * FuelConsumption;
        return $"{this.GetType().Name} travelled {distance} km";
    }

    public virtual void Refuel(decimal quantity)
    {
        FuelQuantity += quantity;
    }

    public override string ToString()
    {
        return $"{this.GetType().Name}: {this.FuelQuantity:f2}";
    }
}

public class Car : Vehicle
{
    private static readonly decimal ADDITIONAL_CONSUMPTION = 0.9m;

    public Car(decimal fuelQuantity, decimal fuelConsumption)
        : base(fuelQuantity, fuelConsumption + ADDITIONAL_CONSUMPTION)
    { }
}

public class Truck : Vehicle
{
    private static readonly decimal ADDITIONAL_CONSUMPTION = 1.60m;
    private static readonly decimal QTY_MODIFIER = 0.95m;

    public Truck(decimal fuelQuantity, decimal fuelConsumption)
        : base(fuelQuantity, fuelConsumption + ADDITIONAL_CONSUMPTION)
    { }

    public override void Refuel(decimal quantity)
    {
        FuelQuantity += (quantity * QTY_MODIFIER);
    }
}