An economist makes the following observations about an industrialized country X: Observation 1: Country X has an effective healthcare system. Observation 2: Country X has higher incidences of certain diseases when benchmarked against comparable countries. Which of the following best explains this seeming contradiction? A. Diseases in which Country X compares poorly are the result of lifestyle decisions. B. Private insurance companies in Country X rarely reject claims for critical illnesses. C. Country X has the largest government-run health care system in the world, despite higher incidence of certain diseases. D. Country X has substantially increased investments in medical research over the past few years. E. Data collection methods for diseases and other health problems differ widely for low-income countries