please help with those questions:

1. If Burler Corp. pays an annual dividend on its common stock that is expected to grow by 2.61 percent per year forever, the next dividend is due in 1 year, and the next dividend is expected to be $3.43, then what is the dividend expected to be in 6 years?

2. A stock is expected to pay annual dividends forever. The first dividend is expected in 1 year and all subsequent annual dividends are expected to grow at a constant rate annually. We know that the dividend expected in 2 years from today is $6.43 and the dividend expected in 5 years from today is expected to be $7.15. What is the dividend expected to be in 3 years from today?

3. You bought 1 share of stock for $44.76 three months ago, just received a dividend of $2.06 per share, and can sell the stock for $50.74 per share today. What was the stock's percentage return over the past three months (from 3 months ago to today)?

4. If the price of 1 share of PDQ stock was $77.00 one year ago, the return for PDQ stock over the past year (from 1 year ago to today) was 14.17%, and the dividend yield was 2.69% over the past year, then what is the price of the stock today?

5. What is the value of a stock if the annual dividend is expected to remain unchanged forever at $2.00 per year, the expected rate of return is 14.05% per year, and the next dividend is expected in one year?

6. What is the value of a stock expected to be in 12 years if the dividend is expected to remain unchanged forever at $0.57 per quarter, the expected rate of return is 14.91% per year, and the next dividend is expected in one quarter?

7. What is the dividend on a stock expected to be in 1 year if the dividend is annual, the expected rate of return is 9.93% per year, the dividend is expected to remain unchanged forever, and the stock is currently priced at $25.00?