The answer that you are looking for is B. The Analects
Mikhail Gorbachev was the leader who's policies included glasnost and perestroika. Mikhail Gorbachev was the last leader of the Soviet Union and was the only general secretary in the history of the Soviet Union to have been born after the October Revolution. Glasnost can be translated to transparency, as it was the term to describe that press and the public can attend court hearings and that the sentence would be read out in public. Perestroika can be defined as the restructuring of the political and economic system in the Soviet Union.
Is this a question i don’t understand
Generally speaking, to figure out price and quantity in a monopoly, a business finds the point at which marginal cost equals "b) Marginal revenue," since this is the point at which the product can be sold.