On January 1, 2018, Wilke Corp. had 480,000 shares of common stock outstanding. During 2018, it had the following transactions that affected the Common Stock account.

February 1Issued 120,000 shares

March 1Issued a 10% stock dividend

May 1Acquired 100,000 shares of treasury stock

June 1Issued a 3-for-1 stock split

October 1Reissued 60,000 shares of treasury stock

(a) Determine the weighted-average number of shares outstanding as of December 31, 2018.

(b) Assume that Wilke Corp. earned net income of $3,456,000 during 2018. In addition, it had 100,000 shares of 9%, $100 par nonconvertible, noncumulative preferred stock outstanding for the entire year. Because of liquidity considerations, however, the company did not declare and pay a preferred dividend in 2018. Compute earnings per share for 2018, using the weighted-average number of shares determined in part (a).

(c) Assume the same facts as in part (b), except that the preferred stock was cumulative. Compute earnings per share for 2018.

(d) Assume the same facts as in part (b), except that net income included a loss from discontinued operations of $432,000 (net of tax). Compute earnings per share for 2018.