Simplify the Expression $\frac{3^{-4}}{3^{-8}}$ A) $3^{-18}$ B) $3^{-12}$ C) $\frac{1}{3^{4}}$ D) $3^{4}$

Simplify the expression. Write answer with positive exponents.
- $\frac{3^{-4}}{3^{-8}}$

A) $3^{-18}$
B) $3^{-12}$
C) $\frac{1}{3^{4}}$
D) $3^{4}$