Assessing opportunity cost involves <span>making choices and dealing with consequences.
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I believe Pachacuti and his immediate successors: Topa Inca and Huayn Capac Inca !
A. Companies compete with each other for business
All of the other answers can be safely eliminated since they are more characteristic of a socialist economy. Answer choice A also makes sense, considering that private companies in capitalist countries like the United States compete with each other for business all the time.