(Constant growth model) a. The current dividend for Metro Audio is $2.40 and is growing at 5% annually. If the required return is 13%, what is the value of one share of stock? b. Binghamton Electric is expected to pay a $1.30 dividend next year. The dividend is expected to grow at 6% annually. If the current stock price is $21.25, what is the required return on this stock?