For the following information, using the $4-$month weighted moving$-$average technique what is the forecasted demand for November? $50\%$ weight is given to the actual sales for the most recent month, $20\%$ weight is given to the actual sales two months ago, and $20\%$ weight is assigned to actual sales three months ago, and $10\%$ weight is assigned to actual sales four months ago.

Month Demand $($Units$)$

July

August

September

October

$240$

$310$

$280$

$250$

Group of answer choices

fewer than or equal to $250$ units

greater than $265$ but fewer than or equal to $280$ units

greater than $250$ but fewer than or equal to $265$ units

more than $280$ units