Kadr.Data.Dep.GetBusyHourCountForFinSource C# (CSharp) Method

        public decimal GetBusyHourCountForFinSource(FinancingSource FinancingSource)
        {
            decimal busyHourCount = 0;
            foreach (FactStaff hourFcSt in FactStaffs)
            {
                if (((hourFcSt as IObjectState).State() == ObjectState.Current) && (hourFcSt.FinancingSource == FinancingSource))
                    busyHourCount += Convert.ToDecimal(hourFcSt.HourCount);
            }
            return busyHourCount;
        }