Not satisfied with a solid B grade from Health Department inspectors, midtown sandwich shop and catering company Cer Té got creative with their mandatory letter grade sign last week. Just add three more letters in the same font and presto: That "B" is the BEST! The Wall Street Journal spotted the signage and wonders what they'll do if they ever get a saddled with a C grade. We're thinking you can't go wrong with CHEAP, right?