Lightfoot Inc., a software development firm, has stock outstanding as follows: $25,000$ shares of cumulative preferred $2\%$ stock, $$20$ par, and $31,000$ shares of $$100$ par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $$3,750$; second year, $$6,250$; third year, $$43,870$; fourth year, $$91,220.$Determine the dividends 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, enter $"0".$