You have the following cost and benefit information for interventions A and B:

Intervention Yr1 Yr2

A: costs 2000 4000

A: benefits 60 120

B: costs 1000 1500

B: benefits 90 70

A. Calculate average cost effectiveness ratios for interventions A and B with no discounting.Which, if either, is preferred?

B. Using a discount rate of 5%, calculate the average cost effectiveness ratios for interventions A and B.Which, if either, is preferred?

C. Would your answer to B change is you used a 8% discount rate?Why or why not?