Required information [The following information applies to the questions displayed below. The stockholders' equity section of Velcro World is presented here. VELCRO WORLD Balance Sheet (partial) and shares in thousands) Stockholders' equity Preferred stock, $1 par value Common stock, $1 par value Additional paid-in capital Total paid-in capital Retained earnings Treasury stock, 10,000 common shares 5,600 26,000 902,000 933,600 284,000 (280,000) Total stockholders' equity 937,600 Based on the stockholders' equity section of Velcro World, answer the following questions. Remember that all amounts are presented in thousands. Required: 1. How many shares of preferred stock have been issued? (Enter you answer in total number of shares, not in thousands.) Number of shares