The optimal capital structure has been achieved when the:$$

Question $8$Select one or more:

a$.$

debt$-$equity ratio is equal to $1$

b$.$

weight of equity is equal to the weight of debt

c$.$

debt$-$equity ratio is such that the cost of debt exceeds the cost of equity

d$.$

cost of equity is maximized given a pretax cost of debt

e$.$

debt$-$equity ratio selected results in the lowest possible weighed average cost of capital