Rubenstein Bros. Clothing is expecting to pay an annual dividend per share of $0.80 out of annual earnings per share of $3.00. Currently, Rubenstein Bros.' stock is selling for $10.50 per share. Adhering to the company's target capital structure, the firm has $8 million in total invested capital, of which 60% is funded by debt. Assume that the firm's book value of equity equals its market value. In past years, the firm has earned a return on equity (ROE) of 13%, which is expected to continue this year and into the foreseeable future. a. Based on this information, what long-run growth rate can the firm be expected to maintain? (Hint: g = Retention rate