Required information [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. denotes the British pound sterling, the national monetary unit of Great Britain. 3-a. Assuming that the expenses and cost of goods sold are reduced in order to improve the firm's ROI to 45 percent, compute th firm's new sales margin. 3-b. Show how the new sales margin and the old capital turnover together result in a new ROI of 45 percent. Complete this question by entering your answers in the tabs below. Show how the new sales margin and the old capital turnover together result in a new ROI of 45 percent. Note: Enter "new sales margin" as a percentage rounded to 2 decimal places (i.e.,. 1234 should be entered as 12.34 ) and "old capital turnover" to two decimal places