If a company takes the results from a customer survey and uses it to make a projection, what type of projection are they likely to make? Supply and demand projection

Product growth projection

Sales projection

Advertising effectiveness projection

they work in some type of way

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.