Mr. musselman is the head coach of the high school football team. he notices that, after learning the names of the players on the team this year, he has trouble remembering the names of the players from the previous year. in fact, he sometimes says the name of a current player when he is referring to a player from the previous year. this is an example of:

answer; yield to maturity;

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.