问问这个微观经济的题Refer to Table 10.1,which shows the relationship between the price that Gladys charges for aproduct and the quantity of that product that Gladys sells. The marginalrevenue that Gladys receives from selling the fourth uni

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问问这个微观经济的题Refer to Table 10.1,which shows the relationship between the price that Gladys charges for aproduct and the quantity of that product that Gladys sells. The marginalrevenue that Gladys receives from selling the fourth uni

问问这个微观经济的题Refer to Table 10.1,which shows the relationship between the price that Gladys charges for aproduct and the quantity of that product that Gladys sells. The marginalrevenue that Gladys receives from selling the fourth uni
问问这个微观经济的题

Refer to Table 10.1,
which shows the relationship between the price that Gladys charges for a
product and the quantity of that product that Gladys sells. The marginal
revenue that Gladys receives from selling the fourth unit of output is:
A) $3.
B) $6.
C) $10.
D) $24.
为什么这题选A?

问问这个微观经济的题Refer to Table 10.1,which shows the relationship between the price that Gladys charges for aproduct and the quantity of that product that Gladys sells. The marginalrevenue that Gladys receives from selling the fourth uni
4×6-3×7=3


(4×6-3×7)/(4-3) = 3/1 = 3