Closed market is an example of capitalism existing within a command economy. Hence, option A is correct.
What is Closed market?
Closed market is the buying and selling of the stocks only when the price of the stock is above or below to and from the company itself, no other platform is open for closed market.
They don't express the insider's opinion of the company, these kinds of inside deals are typically not seen as noteworthy.
Thus, option A is correct.
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