1. If the dividends on a preferred stock is $6 per year, and the required rate of return on the stock is 12%, then calculate the current price of the preferred stock . 2. For Stock A, the cash dividend expected one year from now is $6 [D1]. The dividends are expected to grow at a constant rate of 6% per year for ever. The required rate of return on the common stock is 10%. Then calculate the current price of the stock using the dividend growth model 3. For Stock Z, the most recent cash dividend was $4 [D.]. The dividends are expected to grow at a constant rate of 5% per year for ever. The required rate of return on the common stock is 12%. Then calculate the current price of the stock using the dividend growth model