What is the value of $$\left(\frac{21}{46} \div \frac{1}{6}\right) of \frac{23}{42} + \frac{96}{576} \times \frac{24}{3} - \left(\frac{88}{56} \times \frac{7}{9} \div \frac{5}{36}\right)$$?

A

$$\frac{-163}{28}$$

B

$$\frac{-179}{30}$$

C

$$\frac{11}{2}$$

D

$$\frac{5}{2}$$