SiNan/SiNan.Model/Core/ROI/ROICore.cs

namespace SiNan.Model.Core
{
    public class ROICore
    {
        /// <summary>
        /// 花费
        /// </summary>
        public decimal Cost { get; set; }

        /// <summary>
        /// 成交额
        /// </summary>
        public decimal Amount { get; set; }

        /// <summary>
        /// ROI
        /// </summary>
        public decimal ROI
        {
            get
            {
                return Cost == 0M ? 0M : Math.Round(Amount / Cost, 2);
            }
        }
    }
}