A wide range of factors interact to determine the exchange rate level: the government, market forces of supply and demand for a particular country's currency, interest rates, inflation, a country's balance of trade and/or payments, and consumers' expectations about what will happen in the future.
Use quotation marks for direct quotes. Use quotation marks to surround direct quotes from a source, person, article, or other source. Use a comma before a quote only if you precede the quote with an identifier (a tag) such as he said or According to experts..
Punctuation: Quotation Marks. Double quotation marks are used for direct quotations and titles of compositions such as books, plays, movies, songs, lectures and TV shows. They also can be used to indicate irony and introduce an unfamiliar term or nickname. Single quotation marks are used for a quote within a quote.