6. Identifying responsibility centers. Identify each responsibility center in the list below as a service center, cost center (clinical or administrative), profit center (capitated or administrative), or investment center. Explain your choices.

a. The radiology department must control its costs.

b. Admitting department of a hospital.

c. HMO.

d. Standalone outpatient clinic that must earn a 10 percent return on investment (ROI).