..that overcharged him $4 Last week, Ben Edelman, an associate professor at Harvard Business School, ordered takeout from a local Chinese restaurant. Upon his return, Edelman discovered the restaurant, Sichuan Garden in Brookline, Mass., had overcharged him a total of $4 on his $53.35 order of shredded chicken with spicy garlic sauce, sautéed prawns with roasted chili and peanut, stir-fried chicken with spicy capsicum and braised fish filets and Napa cabbage with roasted chili. Now most people in this situation might call the restaurant to point out the error, get a refund or future credit for takeout, or just swallow...