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 $$a \neq 1 \text { and } b \neq 1$$
- $\left( \log _ { a } m - \log _ { a } n \right) + 3 \log _ { a } k$

A) $\log _ { a } \left( \frac { m ^ { 3 } } { n } \right)$
B) $\log _ { a } \left( \frac { m } { k ^ { 3 } n } \right)$
C) $\log _ { a } \left( m + k ^ { 3 } - n \right)$
D) $\log _ { a } \left( \frac { 3 m k } { n } \right)$