How 'Bout Them Apples…: That seems to be the perplexing question on the face of the Ann Arbor People's Food Cooperative customer, below, who may have to brush up on elementary arithmetic to figure out the cost of his dried apple purchase. Above left, another customer seems more at ease weighing out a purchase of beans, then totalling up the cost on the adding machine, above right. Having customers serve themselves, brind their own bags and containers, even pitch in to stock shelves are among the ways that food co-ops cut their overhead costs and thereby reduce prices.