sentence: The book says that the rule to follow is to vary consumption until the marginal utility for every dollar for one thing that you are consuming is the same as the marginal utility for every dollar for another thing that you are consuming .
modified: The book says that the rule to follow is to vary consumption until the marginal utility for every dollar for one thing that you are consuming is the same as the marginal utility for every dollar for another thing that you are consuming .
transformation: noop