Use exponential smoothing with trend adjustment to forecast deliveries for period $10.$ Let alpha $=0\mathrm{.}2,=0\mathrm{.}4,$ and let the initial trend value be $4$ and the initial forecast be $200.$

$\backslash$table$[[$Period$,,\backslash$table$[[$Actual$],[$Demand$]]],[1,,200],[2,,212],[3,,214],[4,,222],[5,,236],[6,,221],[7,,240],[8,,244],[9,,250],[10,,266]]$