A 6% coupon rate, semiannual pay corporate bond was priced for settlement on April 28, 2015 and matures on November 15, 2034. The bonds yield to maturity was 5.00%, its quoted price was 112.3798 and the accrued interest was 2.7167. If its yield were to decline 5 basis points to 4.95%, the bonds quoted price would rise to 113.0529, and if its yield were to increase 5 basis points to 5.05%the quoted price would fall to 111.7121. The bonds annual approximate modified duration was closest to:

1. 12.53

2. 12.23

3. 11.93

4. 11.65