Given the following sales data:

week $1$: $102$

week $2$: $134$

week $3$: $156$

week $4$: $188$

week $5$: $204$

Forecast sales for week $6$ using Holt's model with:

alpha $=0\mathrm{.}3$

beta $=0\mathrm{.}4$

Use L$(2)=$ A$(2)$ and T$(2)=$ A$(2)-$ A$(1)$ to initialize the model.

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