The exchange rates of a currency are responsible for the purpose of comparison of currencies of two different countries.
<h3>What is currency exchange?</h3>
The rate at which the one currency is exchanged at with another currency(s) is known as the rate of currency exchange. These currencies generally vary with a change in their countries.
Hence, option C holds true regarding the currency exchange.
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Answer: I think it was A. I might be wrong
Explanation:
Guilds performed a variety of important functions in the local economy. They established a monopoly of trade in their locality or within a particular branch of industry or commerce; they set and maintained standards for the quality of goods and the integrity of trading practices in that industry; they worked to maintain stable prices for their goods and commodities; and they sought to control town or city governments in order to further the interests of the guild members and achieve their economic objectives.