\\NAGEMENT 1. The marginal utility of income, measured in units of welfare, for the individuals in a society is as follows: Income (monetary units) Marginal utility (units of welfareq T 10 2 i 9 P _l 3 8 4 7 ' L__ | 5 5 I re*__s__i r_cl 4 9 2 r#\"| 10 1 _____l There are two types of patients: type A patients, with a disease that reduces their health by 6 QALYs, and type 8 patients, with a disease that reduces their health by 10 QALYs. Efficacious drugs exist for both types of patients. The price of drugs is 1 monetary unit (m.u.) per QALY gained. Assume that all individuals have the same monetary income (10 m.u.). What is the total utility loss (in units of welfare) incurred by patient A when she has to pay the total cost of the drugs she needs to recover her health? Select one: Q a. 21 units of welfare. 0 b. 3 units of welfare. 0 c. 2 units of welfare. 0 d. 10 units of welfare