(8 points) You operate a pallet-in, pallet-out DC. Most pallets arrive in the early morning, being unloaded at a rate of 150 per hour with a CV of 1.75. Single-capacity forklifts carry pallets to storage and place them in pallet racks. Pallet pick-up time at receiving is N (0.3, 0.052) minutes. Pallet storage is D(0.5, 12) minutes. Round-trip travel time is U (053). Forklifts experience outages every 120 minutes on average lasting 15 minutes. The outage duration has CV 1.2. Of the incoming pallets, 20% on average are cross docked. What is the minimum number of forklifts needed during the morning pallet receiving operation