However, the trade margins on foreign exchange and securities (i.e. the common differences between the purchasers' prices for the dealer and the purchasers' price for the buyer) are to be included in output, like for wholesale and retail traders.
Wel moeten de handelsmarges op vreemde valuta en waardepapieren (d.w.z. de gebruikelijke verschillen tussen de aankoop- en verkoopprijs) in de output worden begrepen, net zoals bij de groot- en detailhandel.