8.) "We can explain prices by their objective historical cost of production". Which school of economic thought believed this view? A. Neoclassical B. Mercantilists C. Scholastics D. Aristotelian E. None o the above held this view 9.) Suppose we have Fred and Barney. Each wants one unit of each good beer and pretzels. Below is their underlying productivity for each good in terms of time. The price is one unit of beer equals one unit of pretzels. Which of the following is true? Fred Barney Beer 25 Minutes Beer 20 Minutes Pretzels 35 Minutes Pretzels 15 Minutes A. Barney has a comparative advantage in both beer and pretzels B. Barney gains nothing from trade with Fred C. Fred's gain is 60 minutes, while Barney's gain is 35 minutes D. Fred's gain is 10 minutes, while Barney's loss is 5 minutes E. Fred imports pretzels and exports beer 10.) This question refers to question number 3. Suppose the government changes the price from 1 unit of beer equals 1 unit of pretzels to 12 unit of beer equal 1 unit of pretzels. Which of the following is true? A. Barney has a comparative advantage in both beer and pretzels B. Fred exports pretzels and imports beer C. Barney's gains from trade are 10 minutes, while Fred's is 5 minutes + /files/exam-hg83s43b2k/ Final for ECON 103 with Professor Rustici at GMU: Koofers D. Barney is short-side of the market E. None of the above is correct