Are These Questions Correct also How do you do the Last one?

Breakbulk warehouses allow for using TL shipments to the warehouses cheaper transportation costs through multiple LTL deliveries from suppliers consolidating shipments for last mile deliveries by delivering in TL quantities increasing revenues The main tradeoff that EOQ balances is O O Ordering and inventory holding costs Quality and Cost Demand and inventory holding costs Flexibility and Speed Standard deviation of demand is 30 for warehouse 1 and 20 for warehouse 2. What would be the standard deviation be if we consolidated the warehouses? 0 36 24 50 43 Total logistics or annual cost are lowest when . Holding costs are greater than total ordering costs Holding costs are less than total ordering costs Holding costs are equal to total ordering costs 0 None of the above What does normin (0.90,0,1) represent? o The zvalue for a 90% service level The z-value for the lower 90% of the standard normal distribution O The z-value of 1.28 All of the above