What does operating margin tell you about the organization, and how would you calculate this ratio?

What does operating margin tell you about the organization, and how would you calculate this ratio?Select a local medical service organization and describe how it has specifically improved its operating margins 300 words

Please use textbook

Cleverley, W. O., Song, P. H., & Cleverley, J. O. (2011). Essentials of health care finance (7th ed). Sudbury, MA: Jones & Bartlett Learning.