$$\frac{3}{12}$$ of $$\frac{(\frac{2}{5} + \frac{4}{15})}{(\frac{3}{5} - \frac{2}{5})} = ?$$

A

$$\frac{5}{7}$$

B

$$\frac{5}{6}$$

C

$$\frac{6}{5}$$

D

$$\frac{2}{6}$$