17 & 18 answer and explanation of why! Thank you!

c. cause people to self-insure. d. Answers (b) and (c) are correct. 17. In the figure below, the decreased coinsurance rate leads to total health care expenditures from to Demand (under coinsurance) Price (S) Supply Demand 100 80 20 100 1 Quantity of care (visits) Seattle Pacific University ECN 4010 - Health Economics PROBLEM SET 4 a. increased; $8,000; $12,000 b. decreased; $12,000; $8,000 C. increased ; $80; $100 increased; $8,000; $10,000 18. In the figure above, the decreased coinsurance rate leads to a a. deadweight loss of $20 b. deadweight loss of $100 c. deadweight loss of $800 d. deadweight loss of $1,200