Using a Continuous Review Policy, given:

$$ ?D $=2500,?$ D $=500,$

$$ ?L $=2$ ?weeks, Q $=10000$

$3\mathrm{.}1.$ ?If desired fill rate is fr $=0\mathrm{.}975,$ ?how much safety inventory $($ ss $)$ ?should be held?

Note: You can use either $$ guess and test $$ ?method or Excel $$ s Goal Seek function.