EvoCalculator.Core/EvoCalculator.Core.Calculation/Columns/TransExprensesColumn.cs

using System.Linq;
using EvoCalculator.Core.Models.Calculation.Models.Prepared;

namespace EvoCalculator.Core.Calculation.Columns
{
    public class TransExprensesColumn : BaseColumn<double>
    {
        public TransExprensesColumn(int count) : base(count)
        {
        }

        public void ComputeValues(PreparedValues preparedValues)
        {
            for (var i = 0; i < Values.Length; i++)
            {
                Values[i] = 0;
            }

            for (var i = 0; i < Values.Length; i += 12)
            {
                if (i > 0)
                {
                    Values[i] = -preparedValues.TransportTaxGrYear;
                }
            }

            Values[^1] = -(preparedValues.TransportTaxGr + Values.Skip(1).Take(Values.Length - 1).Sum(x => x));
            Values[0] = Values.Skip(1).Sum(x => x);
        }
    }
}