. >> something goes up by 7 cents a poupd.'t notice but over time you see a difference in the money you're making. it's eroding the margin. be in the cost rise faster than the prices even popular shops like hers can go broke. very rapidly. no matter the industry they're in. >> i can't raise the cost of my sandwich up-and-down based on what the cost of tomatoes or cheese are. >> like any other high volume business. she said her survival month after month depends on monitoring food costs because the profit margins so small. >> somewhere between 86,000 and $110,000 in sales which is a fair amount considering the average ticket price is about $9 so, you know, doing that is a lot of turn over. the first difficulty with tracking costs is suppliers don't always give notice. the second obstacle is the paper trail. the receipts listing changes comes in on scraps of paper left behind by the delivery man. no digital records at all. >> you get the paper every day from vendors but there's so much paper that it's sort of becomes pointless.

we know that beachgoers out there watch up to seven foot waves poupd the beach. remnant of ana expected to pass off the coast of delaware tomorrow night. that is likely weakening, which is a good time. >> surfers will be happy. right amelia. >> one of my twitter followers sent a picture of surfers enjoying waves. ana bringing cloud cover, humid conditions and minor, very minor thundershower chances later today. overall low impact on the day, traveling this morning, patchy fog burns off 8:00 9:00 a.m. can't rule out afternoon shower or thunderstorm, most if not all dry. heading out and about warm and humid feeling more like summer highs in low- to mid-80s. right now 60s and 70s, up to 72 in washington 67 for those in rockville. dry in the area right now. here is ana. you can see it on storm team 4 radar. future weather 8:00 a.m. plenty of clouds across the area, mainly dry by noon. notice how we're tracking cloudiness but no rain showers or thundershowers. here we are at 3:00 p.m. notice this hit or miss activity. future weather is a little overdone here. also not