A Flood Damaged an Auto Owned by Mr Based on These Facts, What Is the Amount of the South

A flood damaged an auto owned by Mr. and Mrs. South on June 15 of this year. The car was only used for personal purposes. $$\begin{array} { | l | r | } \hline \text { Fair market value before the flood } & \$ 18,500 \\\hline \text { Fair market value after the flood } & 2,000 \\\hline \text { Cost basis } & 20,000 \\\hline \text { Insurance proceeds } & 13,000 \\\hline \text { Adjusted gross income for this year } & 25,000 \\\hline \text { Business use of auto } & 0 \\\hline\end{array}$$ Based on these facts, what is the amount of the South's casualty loss deduction after limitations for this year?

A) $900
B) $1,000
C) $4,400
D) $4,500