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Which of the following best explains the "consumer's problem"? Given an indifference curve, the consumer must choose that that bundle of goods which achieves that amount of utility at the lowest cost. Given preferences, the consumer must choose that bundle which minimizes their costs. Given a budget constraint, the consumer must choose that bundle which is both on the highest possible indifference curve, but is at the same time affordable. Given preferences, the consumer must choose that that bundle of goods which achieves the highest amount of utility at the lowest cost