Messages that convey data or statistics or simply put into words what managers already agree on and understand are referred to as messages. a. grapevine
✔ b. routine
c. instant
d. qualitative
e. nonroutine

answeraccounts;

answer(d) all of the choices are correct;

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.