please help on both thank you

Wayne Enterprises just paid an annual dividend of $2.05 per share. Today, the company announced that future dividends will be increasing by 2.5 percent annually. If you require a 12 percent rate of return, how much are you willing to pay to purchase one share of this stock today? $19.23 $21.58 $22.12 $26.33 $19.45 QUESTION 4 You purchased a share of common stock at $70,00. One year later, after having received a dividend of $3.00, you noted the stock price was $77.00. What is your approximate "return" on this stock for the year? 4.29% 5.71% 10.00% 16.75%