Using the demand data below, forecast week $10\text{'}$s predicted demand using an exponential smoothing forecast. Round to the nearest unit of demand $($no decimals$).$ Use alpha $=0\mathrm{.}05$

Week Demand

$1128$

$2156$

$3264$

$4348$

$5253$

$6172$

$7637$

$8647$

$9621$

$10???$