11. Patients with Disease X have the following life expectancyes given no treatment and for two treatment options: Treatment A and Treatment B. Treatment option Life expectancy QALYs per year No treatment 3 years 0.7 Treatment A 4 years 0.8 Treatment B 8 years 0.6 Now suppose that Treatment A costs $30,000 per year, and that Treatment B costs $40,000 per year. Which treatment is more cost-effective? You should assume that costs are only incurred if the patient is alive, any costs occur at the start of each year (or part-year), and assume that the social discount rate is 3%. [10 marks]