What is the definition of marginal​ utility? A. The average utility from consuming a good or service multiplied by the number of units of that good or service consumed. B. Utility measured in utils. C. The utility from consuming a good or service divided by the number of units of that good or service consumed. D. The enjoyment or satisfaction people receive from consuming goods and services. E. The change in utility from consuming an additional unit of a good or service.