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【单选题】
Assume that you know the following cost information about Fred's widget company: Its fixed cost is $9, and its total variable cost is $6 for 1 unit; $11 for 2; $ 15 for 3; 20 for 4; and 26 for 5. Given the above information,A.
the marginal cost of the third unit is greater than the marginal cost of the first unit.
B.
the marginal cost of the fourth unit is the same as the marginal cost of the second unit.
C.
the average variable cost of four units is the same as for three units.
D.
both (b) and (c) are correct.
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皮皮学刷刷变学霸
举一反三
【单选题】一位25岁男性,不慎被自家养的小狗咬伤,下列处理方法,不正确的是
A.
立即用0.1%苯扎溴胺(新洁尔灭)彻底清洗伤处30分钟
B.
清水反复清洗伤口
C.
全程预防接种狂犬疫苗
D.
将伤口消毒后止血、包扎
E.
浓碘酒伤口周围及底部反复涂擦
【简答题】对“1”和“0”实施逻辑乘操作的结果是【1】