Internal Insights Inc., a developer of radiology equipment, has stock outstanding as follows: $25,000$ shares of cumulative preferred $1\%$ stock, $$120$ par, and $83,000$ shares of $$10$ par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $$20,000$; second year, $$50,000$; third year, $$89,310$; fourth year, $$161,140.$

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.