The value of $$\frac{\frac{3}{4} \times 1\frac{1}{2} \div 2\frac{1}{4} + 5\frac{1}{2} \div 3\frac{2}{3} of \frac{2}{5}}{\frac{4}{5} of 7\frac{1}{2} \div \frac{3}{4}}$$

A

$$\frac{1}{2}$$

B

$$3\frac{3}{4}$$

C

$$8\frac{1}{2}$$

D

$$\frac{17}{32}$$