A $5000, 7% coupon, 20-year bond issued on January 21, 2006, was purchased on January 25, 2007,

Question:

A $5000, 7% coupon, 20-year bond issued on January 21, 2006, was purchased on January 25, 2007, to yield 6.5% to maturity, and then sold on January 13, 2008, to yield the purchaser 5.2% to maturity. What was the investor’s capital gain or loss:
a. In dollars?
b. As a percentage of her original investment?