Please provide me handwritten correct solution with explanation

On his twelveth birthday, a boy inherits $12,000 which is to be used for his college education. The money is deposited into a trust fund that will pay him R dollars on 18th, 19th, 2014, and 21st birthdays. Find Rif the money earns 8% interest compounded annually. The money deposited will pay the boy son his 18th, 19th, 20th and 21st birthdays. (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)