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: $$\begin{array} { | c | c c c c | } \hline t & 1 & 2 & 3 & 4 \\\hline y _ { t } & 23 & 25 & 28 & 24 \\\hline\end{array}$$ Using exponential smoothing, with w = 0.25, the forecast value for time period 5 is:

A) 18.352.
B) 23.500.
C) 24.469.
D) 23.000.