Food co-ops are a type of consumer cooperative. Consumer cooperatives offer the same products as other stores but usually more cheaply. It is ttherefore more economical to shop at a food co-op than at a supermarket. Which one of the following is most appropriate as an analogy demonstrating that the reasoning in the argument above is flawed? ['By that line of reasoning, we could conclude that it is better to buy frozen vegetables than fresh vegetables, since fresh vegetables are more expensive than frozen vegetables and spoil more quickly.', 'By that line of reasoning, we could conclude that a person who rides a bicycle causes more pollution per mile traveled than one who rides a public bus, since bicycling is a private means of transportation and private means of transportation tend to generate more pollution per mile traveled than do public means.', "By that line of reasoning, we could conclude that the best way to lose weight is to increase one's consumption of artificially sweetened foods, since artificially sweetened foods have fewer calories than foods sweetened with sugar, and excessive calorie intake contributes to weight gain.", 'By that line of reasoning, we could conclude that more people must be shopping at health food stores than ever before, since people tend to choose healthful food over unhealthful food as long as the healthful food tastes at least as good, and healthful food today is better tasting than ever.']