A 10-year corporate bond is issued on 1/6/18 with a face value of $100 and a coupon of 3% pa (paid semi-annually with coupons paid on May 31 and November 30). On 6/4/19 Hannah buys this bond at a yield of 3% pa and she sells it on 20/5/19 at a yield of 2.6% pa. What has her annual return been?