问题 问答题

已知:某公司现金收支平稳,预计全年(按360天计算)现金需要量为360000元,现金与有价证券的转换成本为每次300元,有价证券年均报酬率为6%。

要求:

(1)运用存货模式计算最佳现金持有量。

(2)计算最佳现金持有量下的最低现金管理相关总成本、全年现金转换成本和全年现金持有机会成本。

(3)计算最佳现金持有量下的全年有价证券交易次数和有价证券交易间隔期。

答案

参考答案:

(1)最佳现金持有量=

=60000(元) (2)最低现金管理相关总成本==3600(元) 全年现金转换成本=

×300=1800(元) 全年现金持有机会成本=×6%=1800(元) (3)最佳现金持有量下的全年有价证券交易次数=360000/60000=6(次) 有价证券交易间隔期=360/6=60(天)

单项选择题
阅读理解

B

The internet has become part of teenage life.

A new report on 3,375 students aged from 10 to 18 in seven Chinese cities found that 38 percent of them believe they use the Internet often.

While most of them get useful information and use the Internet to help in their studies, some are not using it in a good way.

In order to help young people use the Internet in a good way, a textbook on good Internet behavior has started to be used in some Shanghai middle schools this term. The book uses real examples to teach students all about good ways of using the Internet. The book gives useful advice such as it’s good to read news or find helpful information to study.

Some students also make online friends. But if you are meeting a friend offline, make sure your parents know. Teachers and parents all think the book is of great help. A teacher said the book would be a guide for teens using the Internet. She believes it will keep students away from bad sites. “Many students are using the Internet without guidance from their parents,” she said.  “The book will teach students how to be a good person in the online world.”

40、The textbook mainly tells us    .

why we should use the Internet.

How to study using the Internet.

How to use the Internet correctly.

How to get help from others.

41、What’s the attitude(态度)of teachers and parents towards the textbook?   

A.They are against it.

B.They are for it.

C.They don’t care about it.

D.The passage doesn’t mention.

42、According to the passage, teenagers are NOT encouraged to    .

A.read online news

B.go online

C.find helpful information online

D.meet a friend offline without letting their parents know

43、From this passage we know that    .

A、more and more students have given up visiting bad sites

B、schools and teachers begin to pay attention to students’ use of the Internet

C、no more homework will be given in shanghai middle schools

D、less and less information can be found online

44、What’s the meaning of the underlined phrase “of great help” ?

A、helpful   B、good   C、bad   D、usefully