Actual data $($in $$1,000)$ for the last five months are provided below. What is the forecast for February, using a four$-$period weighted moving average with weights of $0\mathrm{.}1,0\mathrm{.}2,0\mathrm{.}3$ and $0\mathrm{.}4($greater weight towards more recent time$)?$

$\backslash$table$[[$Month$,$Demand $($$$1,000)$