Given the following sales data:

week $1$: $100$

week $2$: $114$

week $3$: $107$

week $4$: $110$

week $5$: $112$

Forecast sales for week $6$ using a $3-$period weighted moving average forecast using the following weights:

$0\mathrm{.}7$

$0\mathrm{.}2$

$0\mathrm{.}1$

Your Answer: