设某产业的市场需求成为p=13-x(设p为价格,x为产量),只有一个垄断者,生产成本函数为x+6.25,又设新进入者的成本函数与此相同。 问:(1)该垄断者的垄断利润是多少 (2)现有某外企想进入,原垄断者为抑制潜在的进入者进入,想让进入者的利润为零。原垄断者应把自己的产量定为多少才能使新进入者的利润为零 (3)原垄断者在第2问中选择的产量决策能吓退进入者吗为什么 (4)从长远看,新进入者与原垄断者的产量,价格与利润会是多少
With the recent rapid advances in information technologies, (36) researchers at every level and in every (37) have developed new methods, tools, and (38) for instruction. As the Internet, e-mail and multimedia have already become parts of most college students lives nowadays; (39) these new information tech nologies to engineering and science instruction is a great (40) for teachers and researchers. Although the effectiveness and (41) of new information technologies on education are not yet well (42) and documented the promises and (43) they hold for improving education are exciting For example, (44) Students at home and in work places can have access to learning material at any time. (46) . Students can work on learning materials at their own pace and discuss them with other people when they have questions. In other words, (46)
2011年4月注册税务师在对某增值税一般纳税人2010年度增值税纳税审核时,发现纳税人2010年12月有下列一笔业务: 借:银行存款 120000 贷:营业外收入 120000 经审核确认为纳税人因平价销售商品收到的厂家返还资金。(假定该纳税人2010年决算报表已编制),注册税务师作出的下列账务调整中,正确的是( )。
A. 借:以前年度损益调整 20400
B. 贷:应交税费——应交增值税(销项税额) 20400
C. 借:以前年度损益调整 20400
D. 贷:应交税费——应交增值税(进项税额转出) 20400
E. 借:以前年度损益调整 17435.9
F. 贷:应交税费——应交增值税(销项税额) 17435.9
G. 借:以前年度损益调整——营业外收入 120000
H. 应交税费——应交增值税(进项税额) (17435.9)
I. 贷:以前年度损益调整—主营业务成本 102564.1(120000-17435.9)