Miles Corporation sold land to South Ridge Inc. for $200,000 cash and a zero interest-bearing note with a face amount of $600,000. The fair value of the land at the date of sale was $690,000. What value should be assigned to the note receivable by South Ridge?
A. $590,000
B. $600,000
C. $400,000
D. $490,000

answerblank(1) negatively.blank(2); rises; blank(3) falls;

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.