static CurrencyExchangeRate getExchRate(CurrencyCode fromCurrency, CurrencyCode toCurrency, TransDate exchangeDate, RefRecId exchangeRateTypeRecId)
{
    ExchangeRateHelper exchangeRateHelper;
    ;

    exchangeRateHelper = ExchangeRateHelper::construct();
    exchangeRateHelper.parmLedgerRecId(Ledger::current());
    exchangeRateHelper.parmFromCurrency(fromCurrency);
    exchangeRateHelper.parmToCurrency(toCurrency);
    exchangeRateHelper.parmExchangeDate(exchangeDate);
    exchangeRateHelper.parmExchangeRateTypeRecId(exchangeRateTypeRecId);

    return ExchangeRateHelper::displayStoredExchangeRate_Static(exchangeRateHelper.getExchangeRate1(),
           ExchangeRateCurrencyPair::getExchangeRateDisplayFactor(fromCurrency, toCurrency, exchangeRateTypeRecId, true));
}