Given the following information:

Expected demand during a lead time $=570kg$

Standard deviation of demand during a lead time $=52kg$

Demand during a lead time is distributed Normally Acceptable stockout risk during a lead time $=2$ percent

Refer: z $-$values table.

a$.$ What amount of safety stock is appropriate? $($Round the final answer to the nearess whole number.$)$

Safety stock $$ kg

b$.$ At what level of inventolly should this item be reordered?

ROP $$ kg