Please choose one company for each comparison point

Comparing GM and Ford, which company has a more favorable.... Days working capital [Select ] Gross margin [Select ] Operating margin [Select] Debt-to-equity ratio (less risky) Select Long-term debt ratio (less risky) Select ] Total debt ratio (less risky)Select ] Times interest earned ratio (less risky) [Select ) Debt/EBITDA (less risky) [Select ] ROE [Select ] Sustainable growth rate Select ]