Financial IRR Calculation in C#

Create DTO Class:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace ROI.DTO
{
    public class IRRDTO
    {
        public double IRRValue { get; set; }
        public IRRDTO()
        { }
        public IRRDTO(double irrvalue)
        {
            IRRValue = irrvalue;
        }
    }


public List<IRRDTO> GetIRR(long id)
        {
            List<IRRDTO> IRRlilst = new List<IRRDTO>();
     
            List<double> items = new List<double>();
            items.Add(-10000);
            items.Add(4000);
            items.Add(8000);
            items.Add(9000);
            double[] itemsArray = items.ToArray();
            double Guess = 0.5;
         
            double IRRValue = Microsoft.VisualBasic.Financial.IRR(ref itemsArray, Guess);
            IRRlilst.Add(new IRRDTO(IRRValue));
            return IRRlilst;
        }
Enj ..Hope it will help all fincial developers.. ..all the best

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