Pls answer in excel

Synovec Company is growing quickly. Dividends are expected to grow at a rate of 20 percent for the next three years, with the growth rate falling off to a constant 5 percent thereafter. a. The company just paid a dividend of $2.50. What are the dividends for the next three years? b. If the required return is 14 percent, what is the current share price? c. What are the main assumptions of the Dividend-Discount Model? Discuss the limitations of these assumptions