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You are giving the following data for the end of a Holt$-$Winters Additive Forecast with Trend and Seasonality.

Using this data, calculate the forecast for Period $38,$ February.

You have all the data you need to solve this problem.

Answer to two decimal places.

Month Period $($t$)$ Units $($A$)$ Level $($a$)$ Trend $($b$)$ Seasonality $($S$)$ Forecast $($F$)$

Jan $257\mathrm{.}9611\mathrm{.}001\mathrm{.}269\mathrm{.}88$

Feb $2613\mathrm{.}7716\mathrm{.}001\mathrm{.}620\mathrm{.}96$

Mar $2717\mathrm{.}1119\mathrm{.}001\mathrm{.}399\mathrm{.}23$

Apr $2828\mathrm{.}2918\mathrm{.}002\mathrm{.}475\mathrm{.}46$

May $2931\mathrm{.}2116\mathrm{.}000\mathrm{.}0111\mathrm{.}82$

Jun $3034\mathrm{.}0018\mathrm{.}001\mathrm{.}797\mathrm{.}31$

Jul $3135\mathrm{.}2316\mathrm{.}000\mathrm{.}109\mathrm{.}11$

Aug $3244\mathrm{.}0012\mathrm{.}001\mathrm{.}926\mathrm{.}88$

Sep $3347\mathrm{.}7318\mathrm{.}001\mathrm{.}164\mathrm{.}66$

Oct $3449\mathrm{.}1213\mathrm{.}000\mathrm{.}313\mathrm{.}46$

Nov $3562\mathrm{.}5415\mathrm{.}000\mathrm{.}651\mathrm{.}91$

Dec $3653\mathrm{.}3317\mathrm{.}002\mathrm{.}613\mathrm{.}24$

Jan $3729\mathrm{.}49$

Feb $38$