$4.$ For the data given below, what would the naive forecast be for the next period $($period #$5)?$

$4.$ For the data given below, what would the naive forecast be for the next period $($period #$5)?$

Period Demand

$158$

$259$

$360$

$461$

$($A$)58$

$($B$)62$

$($C$)60\mathrm{.}5$

$($D$)61$

$($E$)$ Cannot tell from the data givenPeriod Demand

$158$

$259$

$360$

$461$

$($A$)58$

$($B$)62$

$($C$)60\mathrm{.}5$

$($D$)61$

$($E$)$ Cannot tell from the data given