In triangle $$ABC$$, $$AD \bot BC$$ and $$AO$$ is the bisector of $$\angle{BAC}$$. If $$\angle{ABC} = 65°$$ and $$\angle{ACB} = 23\frac{1°}{2}$$, then $$\angle{DAO}$$ is ...............(in degrees)

A

$$20\frac{1°}{4}$$

B

$$20\frac{1°}{5}$$

C

$$20\frac{1°}{2}$$

D

$$20\frac{3°}{4}$$