The Present Value of all four of the following future cash flows is $2,000 when discounted at 4 percent annually. What is the dollar amount of the missing future cash flow? (Increase decimal places for any intermediate calculations, from the default 2 to 6 or higher. Only round your final answer to TWO decimal places: for example, 1,000.23. Do NOT use "$" in your answer.) 1 year in the future $600 2 years in the future $600 3 years in the future $? 4 years in the future $600