Simplify the following expression.
$$ \left(\frac{7}{16} \div \frac{1}{2} of \frac{1}{5}\right)\times \frac{4}{5} - \frac{1}{3} \times \frac{5}{8} \div \frac{1}{2} + \frac{3}{4}$$

A

$$\frac{23}{6}$$

B

$$\frac{10}{3}$$

C

$$\frac{317}{96}$$

D

$$\frac{71}{150}$$