A manager orders motor oil when the amount on$-$hand reaches $340$ pounds. Average daily usage is $60$ pounds with standard deviation of $10$ poundsLead$-$time is five days. What is the safety stock and the probability of stocking out in a cycle? $30$ and $0\mathrm{.}2520$ and $10$ and $0\mathrm{.}089840$ and $0\mathrm{.}036830$ and