public static string EhlSupplyType(this CompareWhat compareWhat)
        {
            switch (compareWhat)
            {
            case CompareWhat.Both:
                return("4");

            case CompareWhat.Electricity:
                return("2");

            default:
                return("1");
            }
        }
        private static decimal CalculateTotalExitFees(CompareWhat compareType, decimal gasFee, decimal elecFee)
        {
            switch (compareType)
            {
            case CompareWhat.Both:
                return(gasFee + elecFee);

            case CompareWhat.Electricity:
                return(elecFee);

            case CompareWhat.Gas:
                return(gasFee);

            default:
                return(0m);
            }
        }