The Following Are the Values of a Time Series for the First

Multiple Choice

The following are the values of a time series for the first four time periods:
$$\begin{array} { | c | c c c c | } \hline t & 1 & 2 & 3 & 4 \\\hline y _ { t } & 24 & 25 & 26 & 27 \\\hline\end{array}$$
Using a four-period moving average,the forecasted value for time period 5 is:

A) 24.5
B) 25.5
C) 26.5
D) 27.5