Shipments arrive and are unloaded at a super_________blank and _________blank are ways to reduce a queue by adjusting demand.market every morning between the hours of 5:30 a.m. and 9 a.m. at the rate of 45 pallets per hour. Store employees begin stocking the shelves at 5:30 a.m. at the rate of 29 pallets per hour. How long does the last pallet wait before being stocked on the shelves