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

Sales revenue 6.000.000 3,300,000 Cost of goods sold 2,400,000 Operating expenses 3,000,000 Average invested capital s denotes the British pound sterling, the national monetary unit of the United Kingdom. Although the euro is used in most European markets, the U.K. Continues to use pounds sterling for its national currency