Which Line of the Following Table Contains a Mistake A) 1
B) 3
C) 4
D) 2
E) None

Which line of the following table contains a mistake? \\\begin{array} { c c c } \text { Line } & \text { Original number } & \begin{array} { c } \text { Rounded to the } \\\text { nearest hundr }\end{array} \\\text { a. } & \text { helpvar00 } & \text { a10 } \\\text { b. } & \text { helpvar10 } & \text { a20 } \\\text { c. } & \text { helpvar20 } & \text { helpvar } 30 \\\text { d. } & \text { helpvar } 40 & \text { a40 }\end{array}\end{array}">$$\begin{array}{l}\text { cellpadding } = " 0 " \text { cellspacing } = " 0 " \text { width=" } 56 \% \text { " border } = " 1 " >\\\begin{array} { c c c } \text { Line } & \text { Original number } & \begin{array} { c } \text { Rounded to the } \\\text { nearest hundr }\end{array} \\\text { a. } & \text { helpvar00 } & \text { a10 } \\\text { b. } & \text { helpvar10 } & \text { a20 } \\\text { c. } & \text { helpvar20 } & \text { helpvar } 30 \\\text { d. } & \text { helpvar } 40 & \text { a40 }\end{array}\end{array}$$

A) 1
B) 3
C) 4
D) 2
E) none of these