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.
The answer is most likely:
none
This question has choices including none of the above. The first choice seems to be inappropriate wherein it states that prepared core typical of prehistoric modern humans that inhabited this region, and the other two choices doesn't fit the question too. Thus, the answer is none of the above.
I think the answer is D, He organized the Louisiana Purchase
