Refer to the data in BE6.7. Assuming quarterly compounding of amounts invested at 8%, how much of John Fillmore’s inheritance must be invested to have enough at retirement to buy the boat?

In BE6.7

John Fillmore’s lifelong dream is to own his own fishing boat to use in his retirement. John has recently come into an inheritance of $400,000. He estimates that the boat he wants will cost $300,000 when he retires in 5 years. How much of his inheritance must he invest at an annual rate of 8% (compounded annually) to buy the boat at retirement?