What is its market value of an issue of preferred stock outstanding that pays stockholders a dividend equal to $10 each year, if the appropriate required rate of return for this stock is 8 percent? What is the firms current stock price of a constant growth company whose last dividend (D0, which was paid yesterday) was $2.00 and whose dividend is expected to grow indefinitely at a constant 6 percent annual rate, if the appropriate rate of return for the firms stock is 16 percent?