Wayne is on the production line for medical services inc. he has been there for five years and has won employee of the month more than anyone else. zander, his coworker, who has only been at medical services three years and hasn't even been nominated for employee of the month, just received a promotion. wayne perceives a

negative inequity

Explanation:

Wayne is probably mad at his employers, sad about what happened and disappointed at the same time.

Negative inequities happen when what you perceive as your inputs or efforts towards achieving a goal are greater than the effort that others put into achieving the goal. Negative inequities are perceived as unfair results.

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.