For a recent 2-year period, the balance sheet of Sheffield Company showed the following stockholders' equity data at December 31 (in millions). 2020 2019 Additional paid-in capital $ 930 $ 843 Common stock 651 642 Retained earnings 7,210 5.220 Treasury stock 1,850 945 Total stockholders' equity $6,941 $5,760 Common stock shares issued 217 214 Common stock shares authorized 500 500 Treasury stock shares 37 27 (a) Answer the following questions. (1) What is the par value of the common stock? (Round par value to 2 decimal places, e.g. $3.15.) Par value of common stock $ (2) What is the cost per share of treasury stock at December 31, 2020, and at December 31, 2019? Windsor Corporation has 8,000 shares of $100 par value, 9%, preferred stock and 49,000 shares of $10 par value common stock outstanding at December 31, 2020. Answer the questions in each of the following independent situations. (a) If the preferred stock is cumulative and dividends were last paid on the preferred stock on December 31, 2017, what are the dividends in arrears on December 31, 2020, balance sheet? The amount of dividends in arrears on the December 31, 2020 $ How should these dividends be reported? The cumulative dividend is as a liability. (b) If the preferred stock is convertible into 7 shares of $10 par value common stock and 3,200 shares are converted, what entry is required for the conversion assuming the preferred stock was issued at par value? (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter Ofor the amounts.) Account Titles and Explanation Debit Credit (c) If the preferred stock was issued at $108 per share, how should the preferred stock be reported in the stockholders' equity section? (Enter account name only and do not provide descriptive information.) Windsor Corporation Balance Sheet (Partial) $ e Textbook and Media