Historically, demand has averaged $9657$ units with a standard deviation of $520.$ The company currently has $11051$ units in stock. What is the Service Level?

$Z=\frac{x-}{}$

$268\mathrm{.}0\%$

$99\mathrm{.}632\%$

$49\mathrm{.}632\%$

$0\mathrm{.}368\%$

$79\mathrm{.}673\%$