How do we generally infer that publicly traded firms utilize a lower than optimal level of leverage in their capital structures? O After a firm issues debt, the firm announces to the market that the value of the firm has increased. O By issuing debt, the firm is always going to increase the return to shareholders in the future. O The Securities and Exchange Commission has a rule that a firm cannot issue debt unless the value of the firm is going to increase. O When a firm announces a leverge increasing change to their capital structure, the market tends to adjust the firm's share price so that the value of the firm increases