The value of $$\left(\frac{7}{5} \div \frac{7}{10} of \frac{3}{4}\right) \div \frac{4}{9} + \left(\frac{7}{16} \div 10\frac{1}{2} \times 7\frac{1}{5}\right) \times \frac{5}{12}$$ is:

A

$$\frac{49}{8}$$

B

$$\frac{39}{4}$$

C

$$\frac{41}{4}$$

D

$$\frac{47}{8}$$