Cost，minimum 最低成本

A．average variable cost is falling．

B．average fixed cost is rising．

C．marginal cost is at its minimum

D．average total cost is at its minimum

If you are a wheat farmer and you want to earn as much profit as you can, you should do which of the following: （)。

A、try to produce and sell that quantity of output at which marginal cost has risen to equality with price

B、try to produce and sell that quantity of output at which marginal cost is equal to average variable cost

C、try to produce and sell that quantity of output at which marginal cost has reached its minimum possible level

D、never let marginal cost reach equality with price, since this is the point at which profits become zero

E、keep marginal cost above price

一家企业的固定生产成本为5000美元，边际生产成本为常数，为500美元/单位产品。（1)企业的总成本函

一家企业的固定生产成本为5000美元，边际生产成本为常数，为500美元/单位产品。

(1)企业的总成本函数是什么？平均成本呢？

(2)如果企业想使其平均总成本最低，它应该选择非常大的产量还是比较小的产量？解释你的结论。

A firm has a fixed production cost of $ 5000 and a constant marginal cost of production of S 500 per unit produced.

a. What is the firm' s total cost function？ Average cost？

b. If the firm wanted to minimize the average total cost，would it choose to be very large or very small？ Explain.

A.最小的，最低的

B.最多的，最大的

C.压缩，浓缩

D.不认识

like RIP, treats eaCh network as equals.The (71) of passing through eaCh network is the same;it is one (72) Count.So if a paCket passes through 10 network to reaCh the Destination, the total Cost is 10 hop Counts.Other protoCols, suCh as OSPF, allow the aDministrator to assign a Cost for passing through a network BaseD on the type of serviCe requireD.A (73) through a network Can have Different Costs(metriCs).For example, if maximum (74) is the DesireD type of serviCe, a satellite link has a lower metriC than a fiBer-optiC line.On the other hanD, if minimum (75) is the DesireD type of serviCe, a fiBer-optiC line has a lower metriC than a satellite line.OSPF allow eaCh router to have several routing taBle BaseD on the requireD type of serviCe.

（71）

A．numBer

B．ConneCtion

C．Diagram

D．Cost