Corporation (Ticker: LMT), a security and aerospace company, engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services worldwide. Lockheed Martin is a mature, steadily growing firm that currently pays a dividend of $12.00, and its management has announced that next year the firm will increase the dividend to $12.48. Assuming that Lockheed Martin's stock is currently trading at $503.22, and the expected market risk premium is 6.00%, which of the following is closest to the required return for the firm's equity? 8.38% 6.24% 6.48% 6.00%