susan von broderers and arianda gann. welcome both of you. ended. do you think this is public relations, mcdonald's is famously well aware of what people are saying about it or an important change in the american food supply? >> i think it's a bit of both. i think it's what americans have been wanting a while, they've been wanting transparency . where their foods are produced how they are produced and where they're coming pr. it'sfrom. it's got to be good pr. i think it's a bit of both. >> your chdges chickens from your suppliers have always been raise raised without antibiotics. is it easy for your farmers or for someone who is doing large factory farming? >> yes of course, thank you for having me ray. but yeah, it's easier to raise chickens in the small farm in the natural way, without any medication, with space, without stress, and there it's okay to use no medication. it's almost easy. you know, you use it, of course you use it whether an animal gets sick but that's it. and to go back to what you were saying a little bit earlier, those factory f