By what number should $$(-8)^{-3}$$ be multiplied so that the product is equal to $$(-6)^{-3}$$?

A

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

B

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

C

$$\frac{3^2}{2^4}$$

D

$$\frac{2^4}{3^2}$$