The case management program director at the Nova Health Plan calculated the program’s ratio of medical expense savings to case management administrative costs for the previous quarter based on the following cost information:

Administrative costs for case management ..........$40,000

Actual medical care expenses for patients under case management ..........$680,000

Projected medical care expenses for the same patients without case management ..........$900,000

This information indicates that, for the previous quarter, Nova’s ratio of medical expense savings to case management administrative costs was