If Lorne sold Chris lobsters at $10 a pound, and Chris sold them for $30 a plate, he made $4 profit per meal. (No wonder nine out of 10 restaurants go broke.) The voodoo of lobster economics never goes away: a chunk of tail meat on a $23 apple, truffle and spaghetti squash salad may shout “Fancy!” to a diner, but the restaurant is making less profit than it can on steak, which isn’t alive and doesn’t spoil as quickly.