Can somebody please help me to solve these problems

3. Doolittle Co. is expected to pay a dividend of $2 next year. Doolittle is expected to pay 30% of its earnings as dividends and will have an ROE of 8% until the fourth year. After that, its ROE is expected to decrease to 5% and the dividend payout ratio will increase to 50%. Applying the cost of equity of 10% and the multistage growth model, compute the intrinsic price of Doolittle. 4. Flanders, Inc., has expected earnings of $5 per share for next year. The firm's ROE is 8%, and its earnings retention ratio is 40%. If the firm's required rate of return is 16%, what is the present value of its growth opportunities