题目内容
（请给出正确答案）
[主观题]
The Wheeler Wheat Farm sells wheat to a grain broker in Seattle, Washington. Since the mar
ket for wheat is generally considered to be competitive, the Wheeler Wheat Farm maximizes its profit by choosing
A、a. to produce the quantity at which average variable cost is minimized.
B、b. to produce the quantity at which average fixed cost is minimized.
C、c. to sell its wheat at a price where marginal cost is equal to average total cost.
D、d. the quantity at which market price is equal to the farm’s marginal cost of production.
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from OLS and MLE based on i.i.d. normal 
和
