at this point. >> it's very expensive. at one point -- or at what point does the cost start to impact your decision on continuing the search? shawn? >> well, you know, i -- i'm sorry. was that for me? >> yes. >> okay. so i think the question is really, you know, what are the -- what are the resources that they're really willing to commit to this. at this point in time i don't see any indication those discussions have taken place. of course, we have no idea what's being discussed behind closed doors. with all the military assets being used i'm not sure they're at that point yet of saying that, okay, we've reached a predetermined limit. let's go ahead and scale back. i think there's still a lot more that can be done. i think that really is going to be guiding factor instead of necessarily a numerical value on when we should slowdown or stop. >> mary, one final point. you know, just as informational