YSU store sells university logo hats. Daily demand is $24$ hats with a standard deviation of $4$ hats per day. Each hat costs $$7\mathrm{.}85.$ Ordering costs are $$11.$ The carrying costs are $$1$ per year. The store is open $250$ days per year. Lead time is $5$ days with a standard deviation of $1\mathrm{.}6$ days. Desired service level is $98\%.$

Use the z$-$table.pdf to find the corresponding z$-$value.

Calculate the ROP with safety stock.