Use the Properties of Logarithms to Evaluate $\ln e ^ { 15 } + \ln e ^ { 3 }$

Multiple Choice

Use the properties of logarithms to evaluate $\ln e ^ { 15 } + \ln e ^ { 3 }$ without a calculator.

A) 0
B) 5
C) $14.81$
D) $10.27$
E) 12