public async Task <double> BuyTransfers(double amount, CurrencyCodes currencyCode)
        {
            try
            {
                string partition = currencyCode.ToString();
                string row       = DateTime.Now.ToString("yyyy-MM-dd");

                var exchange = await _azureTableStorage.RetrieveExchangeRateUsingPointQueryAsync(partition, row);

                var exchangerate = new { Multiplier = exchange.Multiplier, BuyTransfers = exchange.BuyTransfers };

                if (exchangerate == null)
                {
                    _log.LogError("Unable to get latest exchangerate for: {0} ", currencyCode.ToString());
                    throw new ArgumentException("Could not get the exchangerate for this currency");
                }

                return(convert(exchangerate.Multiplier, amount, Convert.ToDouble(exchangerate.BuyTransfers)));
            }
            catch (Exception ex)
            {
                _log.LogError(ex.Message, ex);
                throw;
            }
        }