Answer Happy

Please answer question 10,11,13 and 21. Thank you!
10. As a student, Anne spends 40 hours per week writing term papers and completing homework assignments. On one axis of her production possibilities frontier is measured the number of term papers written per week. On the other axis is measured the number of homework assignments completed per week. Anne's production possibilities frontier is a straight line if a. she faces no trade-off between writing term papers and completing homework assignments. b. she can switch between writing term papers and completing homework assignments at a constant rate. c. the rate at which she can switch between homework assignments and term papers depends on the number of homework assignments she is completing and on the number of term papers she is writing. d. she is required by her professors to spend half of her time on term papers and the other half of her time on homework assignments. 11. Mike and Sandy are two woodworkers who both make tables and chairs. In one month, Mike can make 4 tables or 20 chairs, while Sandy can make 6 tables or 18 chairs. Given this, we know that a. Mike has an absolute advantage in chairs. b. Mike has a comparative advantage in tables. c. Sandy has a comparative advantage in chairs. d. All of the above are correct. Figure 1 P 180 160 140 120 100 80 60 40 20 Supply Demand 10 20 30 40 50 60 70 80 90 Q 13. Refer to Figure 1. If the government imposes a price floor of $100 in this market, then consumer surplus will decrease by a. $150. b. $325. c. $650. d. $675. 21. Since restored historic buildings convey a positive externality, local governments may choose to a. regulate the demolition of them. b. provide tax breaks to owners who restore them. c. increase property taxes in historic areas. d. Both a. and b. are correct.