A product$$s demand over $($L $+1)$ periods follows a Poisson distribution with mean of $0\mathrm{.}6.$ The order$-$up$-$to level is $4.$ What is the expected on$-$hand inventory? Use Table $14$A$\mathrm{.}2.$

Group of answer choices

$2\mathrm{.}4$

$3\mathrm{.}4$

$4\mathrm{.}4$

$5\mathrm{.}4$