Wojtek Purchased a $10,000 Face Value Strip Bond on a Date

Short Answer

Wojtek purchased a $10,000 face value strip bond on a date when it had 14 years left until maturity. The purchase price was based on a market yield of 6.2% compounded semi-annually. He sold the bond 4 years later when the market yield was 5.2% compounded semi-annually. What was Wojtek's total gain on the investment?