profit margin and turnover questions. please explain steps used.

10. Kragle Corporation reported the following financial data for one of its divisions for the year; average invested assets of $470,000; sales of $930,000; and income of $105,000. The investment center profit margin is: a. 22.3% b. 197.9% c. 447,6%. d. 11.3%. 11. Kragle Corporation reported the following financial data for one of its divisions for the year; average invested assets of $470,000; sales of $930,000; and income of $105,000. The investment center turnover is: a. 22.3 b. 50.5 c. 1.98 d. 447.6. 12. If a company reports profit margin of 31.6% and investment tumover of 1.30 for one of its investment centers. the return on investment must be: a. 24.3% b. 41.1%. c. 32.9%. d. 30.3%