Answer:
a. is the change in total satisfaction derived from consuming one more unit of a good.
Explanation:
Marginal utility: It defines as changes in total satisfaction of consumers with one additional unit changes in the consumption of goods. It derives satisfaction level of consumer with the units of goods consumed, similarly usage of product changes with the number of the product we have in stock or purchased.
Formula; Marginal utility= [tex]\frac{Changes\ in\ total\ utility}{Changes\ in\ number\ of\ units\ consumed}[/tex]
There are several types of marginal utility: