Forecast the day $3$ calls using simple exponential smoothing method where $\backslash$alpha $=0\mathrm{.}20$ hat$($Y$)\_($t$+1)=\backslash$alpha $^(**)$hat$($Y$)\_($t$)+(1-\backslash$alpha $)**$hat$($Y$)\_($t$)\backslash$table$[[$Day$,$Actual Calls $($y$),$Forecast Calls $($y$)$