Simplify: $$\frac{6}{5} \div \frac{6}{5}$$ of $$\frac{6}{5} \times \frac{5}{6} + \frac{9}{4} \div \frac{4}{5}$$ of $$\frac{15}{2} - \left\{8\frac{5}{9} + \left(\frac{4}{3}+\frac{5}{3} of \frac{6}{25}\right)\right\}$$

A

$$-9\frac{9}{40}$$

B

$$-9\frac{79}{360}$$

C

$$-9\frac{7}{120}$$

D

$$-8\frac{281}{360}$$