TheAirline.Models.Airliners.Airliner.GetLeasingPrice C# (CSharp) Method

        public long GetLeasingPrice()
        {
            const double months = 12*15;
            const double rate = 1.30;

            var leasingPrice = (GetPrice()*rate/months);
            return Convert.ToInt64(leasingPrice);
        }