Sales of tablet computers at Ted Glickman's electronics store in Washington, D$.$C$.,$ over the past $10$ weeks are shown in the table below:

$\backslash$table$[[$Week$,1,2,3,4,5,6,7,8,9,10],[$Demand$,20,21,27,36,24,29,36,22,24,28]]$

a$)$ The forecast for weeks $2$ through $10$ using exponential smoothing with $=0\mathrm{.}60$ and a week $1$ initial forecast of $20\mathrm{.}0$ are $($round your responses to two decimal places$)$:

$\backslash$table$[[$Week$,1,2,3,4,5,6,7,8,9,10],[$Demand$,20,21,27,36,24,29,36,22,24,28],[$Forecast$,20\mathrm{.}0,,,,,,,,,]]$