In 2017, the U.S. collected about $297 billion in corporate taxes. What do these figures suggest about the capital structure choices of U.S. firms? Multiple choice question. U.S. firms maximize debt levels in order to capture the tax shield benefits of debt. U.S. firms do not use equity in their capital structures. U.S. firms do not use enough debt to capture all the tax shield benefits of debt. U.S. firms do not use debt in their capital structure