PLEASE Help me calculate on excel (formula)

If the stock is currently trading for $160 per share, what is its market rate of return? 19. The common stock of Plyler Enterprises currently sells for $85 a share and pays an annual dividend that increases by 7% annually. If the market rate of return on this stock is 16.9%, what was the amount of the last dividend paid per share? 20. The next annual dividend payment by Bristol-Myers Squibb is expected to be $7.90 per share. The dividends are anticipated to maintain a 8.5\% growth rate per year for the foreseeable future and the stock currently sells for $76 per share. What is the annual dividend yield