Starting six months after her grandson Robin's birth, Mrs. Devine made deposits of $200 into a trust fund every six months until Robin was twenty one years old. The trust fund provides for equal wit six months for three years, beginning six months after the last deposit. If interest is 5.51% compounded semi annually, how much will Robin receive every six months? Robin will receive $ . (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)