Use the Order of Operations to Simplify the Expression $\frac { 3 } { 4 } \cdot \left( 1 + \frac { 1 } { 3 } \right)$

Multiple Choice

Use the order of operations to simplify the expression.
- $\frac { 3 } { 4 } \cdot \left( 1 + \frac { 1 } { 3 } \right)$

A) 4
B) 1
C) $\frac { 3 } { 4 }$
D) $\frac { 1 } { 3 }$