Every week, Kabe runs for four hours, and her grade on each math best is 95 perc
ID: 1151183 • Letter: E
Question
Every week, Kabe runs for four hours, and her grade on each math best is 95 percent Last week, aher running for four hours, Kate considered running for another hour. She decided to nun for another hour and cut her study time by one hour las4 week, her math gade tel to 80 percent Gven that Kate did the Ifth hour of runining, what can you conclude about her marginal benefe and marginal cost of the fourth hour of running? O A. There is no relationship between the marginal benetit from the fourth hour of unning and the marginal cost of the fourth hour of running OB. The margnal ?stofthefourth hour of nning exceeded its margnal beneft O C. The marginal benefit from the tourth hour of running exceeded the marginal cost of dropping 15 percentage points on a math test O D. The marginal beneis from the fouith hour of nunning exceeded its marginal cost O E. The marginal cost of dropping 15 percentage points on a ath sest exceeded the marginal benefie om a th hour of unning Cick to select your nowe 5 9 alt ctrlExplanation / Answer
ANSWER:
The correct answer is option d that is the marginal benefit of 4th hour of running exceeded its marginal cost because kate choose to play the 5th hour of tennis as only when the marginal benefit exceeds marginal cost , then the additional amount of that work can be done until marginal benefit equals marginal cost and hence option d is right while all the other options are wrong.
a is wrong because there is a relationship between marginal cost and marginal benefit.
b is wrong because if marginal cost exceeded marginal benefit then kate wouldn't have played that extra hour of running.
c is wrong because marginal benefit of running is not related to the marginal cost of math test.
e is wrong because it is just the opposite of option c as there is norelation between mc of math test of mb of running.
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