[The following information applies to the questions displayed below.]

The following data pertain to British Isles Aggregates Company, a producer of sand, gravel, and cement, for the year just ended.

Sales revenue	6,150,000
Cost of goods sold	2,715,000
Operating expenses	3,127,500
Average invested capital	3,075,000

denotes the British pound sterling, the national monetary unit of Great Britain.

Required:

Compute the companys sales margin, capital turnover, and ROI and show all steps.

Sales margin		%
Capital turnover
ROI		%