On January 1, 2015, Wilke Corp. had 480,000 shares of common stock outstanding. During 2015, it had the following transactions that affected the common stock account. February 1 Issued 120,000 shares March 1 Issued a 10% stock dividend May 1 Acquired 100,000 shares of treasury stock June 1 Issued a 3-for-1 stock split October 1 Reissued 60,000 shares of treasury stock Instructions (a) Determine the weighted-average number of shares outstanding as of December 31, 2015. (b) Assume that Wilke Corp. earned net income of $3,456,000 during 2015. 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 2015. Compute earnings per share for 2015, 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 2015.