if someone could please answer questions 11- 15 clearly! And please provide an explanation as to why the answer is correct, thank you!

Back PS4.pdf 11. In the figure below, suppose that Qo = 10 visits, Q. = 20 visits, P. = 10, and P, = 2. The increased expenditures due to insurance are: Demand Demand 100% 20%% Price coinsurance coinsurance Pa P Quantity QI $50. $100. $200. $300. Seattle Pacific University ECN 4010 - Health Economics PROBLEM SET 4 12. In the figure above, the consumer's increased benefits (area under the demand curve) are: a. $120. b. $9o. C. $60. d. $30. 13. In the figure above, the consumer's welfare loss is: a. $100. b. $60. C. $40. d. $20. 14. In the figure above, suppose that visits were "free", that is zero copayments. As a result, quantity would be 22.5 visits with total expenditures of a. $250. b. $225- C. $200. d. So. 15. If insurance is provided for a drug (such as insulin for Type 1 diabetes) for which the demand is price inelastic: a. there can be no moral hazard because the quantity does not change. b. moral hazard occurs because the insured pay less. c. patients without diabetes stop buying the insurance. d. patients switch to insulin from other drugs