某项技术为一项新产品设计及工艺技术，已使用3年，证明技术可靠，产品比同类产品性能优越。经了解，同类产品平均价格为150元/件，该产品价格为180元/件。目前该产品年销量为2万件。经分析，产品寿命还可以维持8年，但竞争者将会介入。由于该企业已较稳固地占领了市场，竞争者估计将采取扩大市场范围的市场策略，预计该企业将会维持目前的市场占有，但价格将呈下降趋势。产品价格预计为：今后第1～3年维持现行价格；第4～5年降为170元/件；第6～8年降为160元/件，估计成本变化不大，故不考虑其变化（折现率为12%，所得税税率为15%，暂不考虑流转税的因素）。

要求：试用超额收益法评估该项技术。

根据首字母填空，每空格填一词。

         These years, with the development of society (社会), more and more teenagers have suffered from stress. Some of the problems can make them feel very w     1      and unhappy all day. Who can help them? A teacher

from a college tried his best to help them. He thought of a lot of w       2     to help them. On Monday and

Thursday, you can c    3       his hotline. Here are some ideas how to keep the young men healthier in every

way. 

         F     4      , it is very important to keep healthy. To get e     5     sleep every day is also necessary. Try to

have a healthy d    6      every day. Secondly, maybe you are not the top student. It doesn't m    7    . The most

important thing is to work hard. If you try your best, your teachers and parents will understand you. If you have

some problems, you should be a     8      to talk with your teachers and parents. They can help you. Remember

to s    9      your happiness and s    10      with your good friends. Sometimes you can go out for a walk.

         In a word, you can try to make you happy by yourselves. I'm sure you can be happy every day.

1. w                    2. w                        3. c                       4. F                       5. e                  

6. d                     7. m                        8. a                       9. s                       10. s