Given the following historical demand, what is the weighted moving average forecast $(0\mathrm{.}4,0\mathrm{.}3,0\mathrm{.}3)$ for Week $6?$

Week $1=11000$

Week $2=10000$

Week $3=9000$

Week $4=8000$

Week $5=7000$

Week $6=$ Predict using the weighted moving average forecast $(0\mathrm{.}4,0\mathrm{.}3,0\mathrm{.}3)$

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