Which of the following is a well written goal for developing a system? O To institute a more efficient food preparation system
O To hire more housekeepers
To institute a two-week training program for the front desk employees to teach them how to use the new communication system
O To earn at least $5,000 in gift shop revenue more next month

answer the amount a seller is paid minus the cost of production;

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.