Investment X yields a payment of $4500 at the end of year 1, a payment of $5500 at the end of year 2, a payment of $6500 at the end of year 3, and a payment of $8000 at the end of year 4. Investment Y yields a payment of $6500 at the end of year 1, a payment of $5500 at the end of year 2, a payment of $4500 at the end of year 3, and a payment of $3500 at the end of year 4. What is the present value of Investment X if the interest rate is 5%?