A Rendering Plant Wishes to Use the Data (Sales Records

A rendering plant wishes to use the data (sales records from a few local businesses and the month of the year) to help determine their supply level for the coming months. The records shown in the table provide an excellent opportunity for you to assist them with their forecasting.
$$\begin{array} { | c | c | c | } \hline \text { Month } & \text { Sales } & \text { Pounds } \\\hline \text { Tanuary } & 45 & 54.3 \\\hline \text { February } & 57 & 63.8 \\\hline \text { March } & 32 & 39.5 \\\hline \text { April } & 44 & 49.8 \\\hline \text { May } & 51 & 52.3 \\\hline \text { Tune } & 34 & 39.9 \\\hline\end{array}$$
-What is the three-period weighted moving average for July using the weights 0.5 (most recent) , 0.3, and 0.2?

A) 48.99
B) 45.6
C) 49.51
D) 46.09