Hospital reported the following account balances (in thousands):

Administrative expenses	$ 166,000
Accounts receivable	140,000
Patient revenue	1,490,000
Selling expenses	744,000
Cost of goods sold	425,000
Cash dividends paid	80,000
Cash	50,000

What is the total margin % for B&B Hospital?

A. 10.4%

B. 13.2%

C. 12.8%

D. 9.3%

E. Cannot be determined