The following information pertains to Christopher Concrete: Sales revenue ..........$1,500,000 Gross margin.................600,000 Income ............ 90,000 Invested capital............450,000 The company's imputed interest rate is 8%. 3. The capital turnover is: A. 3.33 B. 5.00 C. 16.67 D. 20.00 E 30.00 4. The sales margin is: A. 6% B. 15% C. 20% D. 30% E. 40%