Table 107 -Use the Information in Table 10

Multiple Choice

Table 10.7
$$\begin{array} { | c | c | } \hline \text { Month } & \begin{array} { c } \text { Units Sold } \\( 00 ) \end{array} \\\hline 1 & 150 \\2 & 145 \\3 & 160 \\4 & 180 \\5 & 220 \\\hline\end{array}$$
-Use the information in Table 10.7.The cumulative sum of errors CFE from months 2 through 5 is

A) less than or equal to 80.
B) greater than 80 but less than or equal to 85.
C) greater than 87 but less than or equal to 90.
D) greater than 90.