Imaging Inc., a developer of radiology equipment, has stock outstanding as follows: 40,000 shares of cumulative preferred 2% stock, exist75 par, and 100,000 shares of exist50 par common. During its first four years of operations, the following amounts were distributed as dividends: first year, exist36,000: second year, exist90,000: third year, exist115,000: fourth year, exist140,000. Compute the dividends per share on each class of stock for each of the four years