18 YSU store sells university coffee mugs. Daily demand is 29 mugs with a standard deviation of 4 mugs per day. Each mug costs $7.85. Ordering costs are $11. The carrying costs are $1 per year. The store is open 250 days per year. Lead time is 4 days with a standard deviation of 1.6 days. Desired service level is 98%. use the z-table.pdf to find the corresponding z-value. Calculate the EO