Is there a limit to the debt​ ratio's value? ​ (select the best choice​ below.)
a. ​theoretically, the debt ratio cannot exceed 90 %. in​ practice, few creditors would extend loans to companies with exceedingly high debt ratios ​(greater than 70 %​).
b. ​theoretically, the debt ratio cannot exceed 70 %. in​ practice, few creditors would extend loans to companies with exceedingly high debt ratios ​(greater than 70 %​).
c. ​theoretically, the debt ratio cannot exceed 80 %. in​ practice, few creditors would extend loans to companies with exceedingly high debt ratios ​(greater than 70 %​).
d. ​theoretically, the debt ratio cannot exceed 100 %. in​ practice, few creditors would extend loans to companies with exceedingly high debt ratios ​(greater than 70 %​)?