Wings Inc., a software development firm, has stock outstanding as follows: 25,000 shares of cumulative 1% preferred stock of $40 par, and 50,000 shares of $120 par common. During its firs four years of operations, the following amounts were distributed as dividends: first year, $7,500; second year, $10,500; third year, $25,000; fourth year, $60,000. Calculate the dividends per share on each class of stock for each of the four years.