The Total Overtime Hours Is 806

Multiple Choice

$$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Employee } \\\text { Name }\end{array} & \begin{array} { c } \text { Overtime } \\\text { Hours }\end{array} \\\hline \text { Mary Jones } & 10 \\\hline \text { Tom Davis } & - 5 \\\hline \text { Amy Dunn } & 3 \\\hline \text { Kate Smith } & 2 \\\hline \text { Kevin White } & - 4 \\\hline \text { Jill Brown } & 800 \\\hline\end{array}$$
The total overtime hours is 806.Which data entry control would best prevent similar data entry errors in the future?

A) Sequence check.
B) Validity check.
C) Check digit.
D) Reasonableness test.