using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var percentage = 20M / 100M;

        var limitation = 200M;

        var pmAssignRate = 1.05M;

        var result = new int[]{250, 250, 400, 1800, 400, 999, 999}

            .Select(x => x * percentage)

            .Select(x => x > limitation ? limitation : x)

            .Select(x => x / pmAssignRate)

            .Sum();

        Console.WriteLine(result);

    }

}