practically nothing to support the iran deal let's go over now to our financial correspondent frank conrad burns and to find out more about the monetary effects of this story and the effects on the oil price conrad. yes there was no immediate effect on the oil price today on the contrary the prize for american crude even continued its decline which means that since the beginning of october of the price for crude depending on the type has lost between fifteen and eighteen percent clearly all those waivers that the united states grant nations like iran like india or turkey where you know the u.s. allow those countries to continue to buy iranian oil has had some impact and something else that's playing into here into this as well at the level that the price for crude is on now between sixty three and seventy three dollars per barrel depending on the type this means that american oil producers can work profitably especially the notorious producers of shale oil they need prices of above fifty dollars a barrel to be profitable and now they can contribute to contribute to the supply which means that of