15. Microsoft just paid a dividend of $2.72 per share. The price of the stock is $333.56. Dividends are expected to grow at 7%, forever. Calculate the implied rate of return on this investment. (Enter percentages as decimals and round to 4 decimals)

17. West Side Co. expects the following dividends to be paid over the next 6 years: $12, $10, $8, $7, $6, and $5. Afterward, the company pledges to maintain a constant growth rate of 3% forever. If the required rate of return is 7%, calculate the current share price. (Round to 2 decimals)

18.Clue Co. just paid a dividend of $2.05 per share. The dividends are expected to grow at 30% over the next five years, and then the dividends will grow at 2% forever. Calculate the current price per share if investors require a 9% return on their investment. (Round to 2 decimals)

please use excel in the following steps, thank you!