Please show work and write clearly... Thanks in advance

8. A firms dividends have grown over the past several years. 5 years ago the firm paid a dividend of $1. Yesterday it paid a dividend of $3. What was the average annual growth rate of dividends for this firm?

Round the answer to two decimal places in percentage firm..

9. To what amount will the following investment accumulate?

$26,509 invested today for 39 years at 19.84 percent compounded monthly.

10. You placed $4,176 in a savings account today that earns an annual interest rate of 13.73 percent compounded annually. How much will you have in this account at the end of 26 years? Assume that all interest received at the end of the period is reinvested the next period. round 2 decimals

11. Stephen plans to purchase a car 4 years from now. The car will cost $39,851 at that time. Assume that Stephen can earn 3.00 percent (compound monthly) on his money. How much should he set aside for the purchase? round 2 decimals

12. What is the accumulated sum of the following stream of payments?

$2,849 every year at the end of the year for 10 years at 9 percent compounded annually