Given the following data, what is the exponential smoothing forecast with a $=2$ for period $2?$ Use a naive forecast as your starting point.

Month Demand

$1,19$

$2,20$

$3,18$

$4,19$

$5,17$

$19\mathrm{.}2$

$19$

$18\mathrm{.}58$

$18\mathrm{.}96$