Simplify $$\frac{\frac{3}{4}+\frac{1}{5}-\frac{1}{10}-1}{\frac{1}{8} + \frac{1}{2} - \frac{3}{4}}$$

A

$$\frac{1}{16}$$

B

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

C

$$12$$

D

$$\frac{3}{20}$$