Skinner Company began business on June 30, 2018. At that time, it issued 18,000 shares of $50 par value, 6% cumulative preferred stock, and 90,000 shares of $10 par value common stock. Through the end of 2020, there has been no change in the number of preferred and common shares outstanding.

a. Assume that Skinner declared and paid cash dividends of $63,000 in 2018, $0 in 2019, and $378,000 in 2020. Compute the total cash dividends and the dividends per share paid to each class of stock in 2018, 2019, and 2020.

b. Assume that Skinner declared and paid cash dividends of $0 in 2018, $108,000 in 2019, and $189,000 in 2020. Compute the total cash dividends and the dividends per share paid to each class of stock in 2018, 2019, and 2020.