Subtract in the Indicated Base $\begin{array} { r } 11000 _ { 2 } \\- \quad 100 _ { 2 } \\\hline\end{array}$

Multiple Choice

Subtract in the indicated base.
- $\begin{array} { r } 11000 _ { 2 } \\- \quad 100 _ { 2 } \\\hline\end{array}$

A) $10000 _ { 2 }$
B) $10100 _ { 2 }$
C) $11001 _ { 2 }$
D) $10001 _ { 2 }$