A Public Health Nurse Applies the Principles of the Macroeconomics

A public health nurse applies the principles of the macroeconomics theory when working with a community. Which statement best describes why this theory would be used?

A) The nurse is concerned with factors that determine prices and affect resource allocation.
B) The nurse is concerned with the positive effect of competitiveness on health care costs.
C) The nurse is concerned with the supply, demand, and costs of services available to their clients.
D) The nurse is concerned with the policies to support programs to improve the health of the community.