Question

我有3道数学题不会，请大家帮我一下，万分感谢！！！

1.You have to decide whether to buy or lease(rent) a photocopying machine for your new office.

To Buy:
The new machine costs $8800.
Serving is required every three months at a cost of $250 per service.
Paper costs $10 per ream(500 pieces in each ream)
Machine is expected to last for five years.
There is no salvage value for the mavhine.
To Lease:
The rent is $130 per month.
There is an additional charge of 3 cents for every copy made.
Serving ang paper are free of charge.
Assume constant photocopying requirements of 10000 copies a month for the next five years.
Should you buy or lease the machine?
Support your answer with appropriate workings (16 marks) and explain the individual advantages and disadvantages.
你必须决定是否购买或租赁（租金）一台复印机为您的新办公室。

购买：
新机器的费用八八零零美元。
服务是需要每3个月，费用为250美元的服务。
纸张的费用是 每令$10（每500张为一令）
机预计将持续五年。
没有残值的mavhine 。
租赁：
租金是130美元每月。
有一个额外收费的3美分，为每一个副本了。
中央文件服务都是免费的。
承担影印需求不断10000份，每月的未来五年。
如果您购买或租赁的机器？
支持您的答案适当的工作（ 16马克） ，并解释个人的优点和缺点。

Answer 1

郁闷，刚才好不容易输了半天，竟然不小心搞没了。
答案是一样的都要$25800.
具体的步骤不再输了，刚才输了两次，都弄没了。。
相当郁闷！！！！

Answer 2

哥哥请先换成Chinese.

Answer 3

兄弟，这是数学题吗，摆明就是ENGLISH嘛，请先换成Chinese

Answer 4

huan cheng zhong wen