The value of $$\frac{3}{5} \div 4\frac{4}{5} of \frac{5}{16} + \frac{2}{3} \div \frac{8}{15} \times 1\frac{1}{5} - \frac{1}{4} \times \frac{3}{4} \div 1\frac{1}{4} of \frac{2}{5}$$ is:

A

$$\frac{61}{40}$$

B

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

C

$$\frac{9}{4}$$

D

$$\frac{21}{10}$$