Henry Fillmores lifelong dream is to own his own fishing boat to use in his retirement. Henry has recently come into an inheritance of $434,500. He estimates that the boat he wants will cost $311,000 when he retires in 7 years. Click here to view factor tables How much of his inheritance must he invest at an annual rate of 10% (compounded annually) to buy the boat at retirement? (Round factor values to 5 decimal places, e.g. 1.25124 and final answers to 0 decimal places, e.g. 458,581.)

Investment amount $ ?