A firm's net income is $315,000 on sales of $31.5 million. Average assets for the period were $7 million. For the year

	A.	margin was 5%, turnover was 1.2, and ROI was 6%.
	B.	margin was 6%, turnover was 1.5, and ROI was 6%.
	C.	margin was 4%, turnover was 1.2, and ROI was 4.8%.
	D.	margin was 1%, turnover was 4.5, and ROI was 4.5%.