Over the past sixty years, health care spending as a percentage of GDP has increased from 5% in 1960 to 19.7% in 2020. Explain this growth in health care expenditures using two of the explanations from the: (a) Feldstein reading on the rise in medical expenditures (lecture 1). (4 points) (b) Willard Gaylin article entitled Faulty Diagnosis (lecture 1). (4 points