Answer:
C is the correct option
Explanation:
Opportunity cost is a concept of Macroeconomic theory. It is also known as an alternative cost. It is the value of what one gives up to choose something else. In simple terms, we can say that it is the value of the road not taken. In the above question, the value of the activities one had to leave to attend the economics class woul be known as the Opprtunity cost.
