WebApiStudy/WebApiStudy.Model/User.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace WebApiStudy.Model
{
    public class User
    {
        public int Id { get; set; }

        public string Name { get; set; }

        public int Age { get; set; }

        public int Gender { get; set; }

        public virtual decimal TotalIncome()
        {
            return 1000;
        }

        public virtual decimal TotalCost()
        {
            return 500;
        }
    }
}