Write the Expression as a Single Logarithm with Coefficient 1 $$a \neq 1 \text { and } b \neq 1$$

Multiple Choice

Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with $$a \neq 1 \text { and } b \neq 1$$
- $\log _ { 3 } 8 - \log _ { 3 } z$

A) $\log _ { 3 } ( 8 - z )$
B) $\log _ { 6 } \left( \frac { 8 } { z } \right)$
C) $\log _ { 3 } \left( \frac { 8 } { z } \right)$
D) $\log _ { 3 } \left( \frac { z } { 8 } \right)$