Employees' conclusions about equity depend ona. what they choose as a standard of comparison. b. how much money they think the company ceo makes. c. what level of income they believe they should be at by this point in their lives. d. what benefits they receive. e. if they think they can bargain for a higher rate of pay

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.