So they fly you out to a fulfillment center after doing a phone interview. You are taken on a 45 minute tour of the facility. Then you through 4 interviews which consist of behavior or situation questions. There is a math flow problem you do before the interviews and then your work and results are to be explained to the interviewee which is an operations mgr. Two interviews are given by operation managers, one HR mgr., and the other by an area mgr. Math Flow (Exact Question): You have an upstream picking department that feeds two downstream packing departments: pack singles and pack multis. Those packing departments feed to a shipping department that loads the outgoing trucks. 30% of your pick volume goes to pack singles and has a packing rate of 171 units per labor hour (uph). 70% of the pick volume goes to pack multis and has a pack rate of 266 units per labor hour. Your pickers pick both single and multis items throughout the day at an overall average rate of 114 units per labor hour. All units that are packed in both processes go through the ship process at a rate of 570 units per hour. You have 102 people today for all 4 departments and you have to pack 47,780 units in pack multis items to meet customer promise metric. How do you allocate labor to balance the flow in your department if you work a 10 hour shift? No breaks or lunches. Fill out table: Answers included Department % of volume Rate (uph) People Daily Volume Pick 100% 114 60 47,880 Pack Singles 30% 171 12 20,520 Pack Multis 70% 266 18 47,880 Ship 100% 570 12 x