Dedrick Inc, did not pay dividends in 2018 or 2019, even though 48,900 shares of its 8.8%, $80 par value cumulative preferred stock were outstanding during those years. The company has 204,000 shares of $3,5 par value common stock outstanding. Required: a. Calculate the annual dividend per share obligation on the preferred stock. (Round your answer to 2 decimal places.) b. Calculate the amount that would be received by an investor who has owned 170 shares of preferred stock and 370 shares of common stock since 2017 if a $0.25 per share dividend on the common stock is paid at the end of 2020. (Do not round intermediate calculations.) a Annual dividend per share Total dividends received b