The value of $$\frac{1}{5}\div\frac{3}{10}$$ of $$\frac{4}{9}-\frac{4}{5}\times1\frac{1}{9}\div\frac{8}{15}-\frac{3}{4}+\frac{3}{4}\div\frac{1}{2}$$ is:

A

$$\frac{5}{12}$$

B

$$\frac{11}{12}$$

C

$$\frac{1}{12}$$

D

$$\frac{7}{12}$$