Answer: The optimal capital structure maximizes the firm’s stock price.
Step-by-step explanation:
The Capital Structure of a company refers to the proportion of debt vs equity that it chooses to use to fund its Assets and operations.
The goal of management is to use the capital structure to fund the company in such a way that the market value of a company increases.
The Market value is reflected by the firm's stock price so the optimal capital structure is meant to maximize the firm’s stock price.