When Marginal Utility is zero, Total Utility is
When Marginal Utility is zero, Total Utility is Correct Answer Maximum
When Marginal Utility is zero, Total Utility is maximum. It is based in the law of diminishing marginal utility which says 'as more and more units of a good are consumed, MU i.e level of satisfaction derived from each successive unit goes on falling because desire for that commodity tend to fall.