E - Binary.
Unary refers to single and ternary refers to triplicate. Binary refers to a duo or pair.
Answer:Opportunity cost is the cost of the forgone alternative when a choice is made. In this case, the store made a choice between buying a ship of computers, or buying new phones. It cannot do both because the firm has limited resources.
Explanation: Wrong subject.
Parents can promote good choices from a young age to prevent you from having struggles in your life, parents also just being there is not just good mentally but emotionally,having parents at home to love and support you through out your life is a burden less that you struggle with and a good push in the right direction
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