题目：
The heads of some of Russia’s most prestigious educational establishments yesterday admitted that students use surrogates (代理人) to gain entry to top institutes, whose qualifications are a passport to lucrative jobs.
The surrogate students are only the latest symptom of an epidemic of corruption that has gripped the Russian higher education system. A report published this week by the Ministry of Education and Moscow’s Higher School of Economics (HSE) showed that more than $300m was paid in bribes to enter the country’s educational establishments last year. A direct bribe to lecturers to enter an institution can be up to $30000 for a top law faculty, the HSE estimates.
"In our school alone this spring we caught four impostors who were attempting to sit the entrance tests in place of others, " said Grigory Kantorovich, deputy head of the HSE. "Those were not isolated cases; it’s a whole, specialised business. "
Such corruption is multiplied by a burgeoning market in coursework and diplomas written by teachers and lecturers, which can be bought over the Internet.
A police spokesman said there was no dedicated unit for tackling corruption in education, but individual cases were investigated if evidence was handed over.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析：发行在外普通股加权平均数=10000×12/12+4500×10/12-1500×1/12=13625(万股)，基本每股收益=2600/13625=0.19(元)。【该题针对“基本每股收益”知识点进行考核】
