Can you show me the way to get these answers down bellow?

13. The market exchange rate is 100 Yen per dollar. The Federal Reserve decides to impose a xed exchange rate at 80 Yen per dollar. What will happen immediately following the announcement of the xed rate, arbitragers will (a) Buy dollars from the Fed, shifting the LM curve left (b) Buy dollars from the Fed, shifting the LM curve right (c) Sell dollars to the Fed, shifting the LM curve left (d) Sell dollars to the Fed, shifting the LM curve right Question 3 Incorrect 0.00 points out of 12.00 P Flag question In 2020, a company in the United States produced 100 airplanes that they priced at $100 million each. They sold 90 of the airplanes and put the remaining 10 in a warehouse to sell in the future. To produce each airplane, the company purchased $40 million in raw materials from United States producers and $40 million in raw materials from foreign producers. Overall, how much did the company add to US GDP in 2020? a. $2 billion b. $5.4 billion c. None of the others d. $6 billion e. $10 billion at Your answer is incorrect. The correct answers are: $6 billion, $2 billion QueSti\" 7 An oil company in the United States produces 100 gallons of oil, which they sell at $1 per gallon to a gas station. The gas station \"100mm processes the oil and produces 50 gallons of gasoline (assume it takes 2 gallons of oil to make one gallon of gasoline so all of the oil is 0.00 points out used up in the production process), which they sell to an independent taxi driver at $4 per gallon. The taxi driver uses these 50 gallons of 0f12-00 gas to give taxi rides that cost a total of $300. Assuming no other transactions, the value added of the gas station is and the t7 Flag GDP in this economy is question a. $800, $100 b. $300, $300 x c. $800, $300 d. $100, $300 e. None of the others Your answer is incorrect. The correct answer is: $100, $300