Alex is considering investing in Stock XYZ, which is expected to pay a dividend of $2 per share next year. He believes that the dividends will grow at a constant rate of 5% per year indefinitely. Alex wants to determine the maximum price he should be willing to pay for this stock if he requires a 10% rate of return on his investment. To find the intrinsic value of the stock using the Discounted Dividend Valuation model, what should Alex calculate?