Katherine's opportunity cost of attending the lecture is: the transportation and time cost of getting to the lecture event itself plus the reduction in her physics exam grade by not studying tonight.
<u>Explanation</u>:
The opportunity cost is the "cost" lost by not enjoying the benefit associated with the chosen alternative choice. People usually make use of opportunities to make themselves better.
The opportunity cost can be explained as giving up of profit or value to achieve something else. Opportunity cost is the value of giving up the best thing whenever you make a decision. When Katherine decided to attend the lecture of her favorite author, she lost her time, transportation cost and even scored low grade in physics exam as didn’t study on exam night.
Cabinet is the correct answer
Because, salt was needed to flavor food, preserve meat, used for medical<span>
purposes, and to keep the body healthy. But in West Africa, salt was a rare. So,</span><span>West Africans traded their gold for salt. (Salt was so valuable, it was worth </span><span><span>its weight in gold. 1 pound of salt = 1 pound of gold.) Hope this helps!!</span>
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Answer:
Since both can fix the problems, essentially economic philosophies advocating public rather than private ownership, especially of the means of production,
Explanation:
production distribution
