Which of the following statements is true of medical insurance costs in the U.S.?
Due to the financial importance of health insurance, nearly 50 percent of the U.S. population has health insurance.
A poor demand-and-supply distribution of health care facilities and services has increased the health care costs.
The average annual premium for the aging U.S. population has increased by about 20% from 1999 to 2015.
Increased regulation and decreased administrative costs have reduced the medical insurance costs in the U.S.
Advances in medical technology have decreased the medical insurance costs.