Using the Data Shown Below in Table 3 for the Sales

Using the data shown below in Table 3 for the sales of a new CD at a store for the last 4 weeks, answer the questions
Table 3
$$\begin{array} { | l | c | c | c | c | } \hline \text { Week } & 1 & 2 & 3 & 4 \\\hline \text { Sales } & 112 & 105 & 125 & 118 \\\hline\end{array}$$
-The actual sales for week 5 were 105 units. The four-period moving average forecast for week 6 is:

A) less than or equal to 100.
B) more than 100 but less than or equal to 110.
C) more than 110 but less than or equal to 120.
D) more than 120 but less than or equal to 130.