Help!! Dividends

PJUB company has 20,000 shares of 5% S20 par cumulative preferred stock They also have 50,000 shares of $10 par common stock. The company issues dividends as follows Year 1 $12.000 Year 2 $16,000 Year 3 $40,000 Year 4 $100,000 Calculate the per share dividend rate for all four years for both preferred and common stock , f9 ho 6 7 8 0