6. When Kelly Ziegenfuss buys five units of a particular good or service, (LO6) a) she has no consumer surplus b she has a consumer surplus C) there is no way of knowing whether she has a consumer surplus 7. Lauren Elise Ballard would be maximizing her total utility when (LO3) a) she had a consumer surplus her marginal utility was zero c) her marginal utility was equal to her total utility d) she had no consumer surplus 8. Which statement is true? (LO1, 6) a) Most people have the same utility schedules. b Most people enjoy a consumer surplus for at least some of the things they buy. c) We will consume additional units of a product until our consumer surplus is zero. d) The utility of a product is measured by its usefulness