Problem 10-4B Analyze the stockholders' equity section (LO10-7) (The following information applies to the questions displayed below.) The stockholders' equity section of The Seventies Shop is presented here. THE SEVENTIES SHOP Balance Sheet (partial) ($ in thousands) Stockholders' equity: Preferred stock, $50 par value Common stock, $5 par value Additional paid-in capital Total paid-in capital Retained earnings Treasury stock Total stockholders' equity $ 0 12,500 25,000 37,500 45,500 (2, 200) $80, 800 Based on the stockholders' equity section of The Seventies Shop, answer the following questions. Remember that all amounts are presented in thousands. Problem 10-4B Part 1 Required: 1. How many shares of preferred stock have been issued? (Enter your answer in total number of shares, not in thousands.) Number of shares