Internal Insights Inc, a developer of radiology equipment, has stock outstanding as follows: 12,000 shares of curnulative preferred 2% stock, $150 par, and 40,000 shares of $10 par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $24,120; second year, $57,880; third year, $68,400; fourth year, $86,000. Compute the dividend per share on each class of stock for each of the four years. Round all answers to two decimal places. If no dividends are paid in a given year, leave it blank