My answer here is wrong - can you please explain? (only the white-colored box)

Construct the material requirements plan for item Gear and rotor plate assembly (enter your responses as whole numbers). Gear and rotor plate assembly : Lead Time = 1 week; Minimum order quantity = 2,700 Week 1 2 3 4 5 6 Gross requirements 1,700 1,700 1,700 Scheduled receipts Projected ending inventory: 600 600 1600 1600 2600 2600 900 0 1100 0 100 0 0 Net requirements Planned receipts 0 2700 0 2700 0 0 Planned orders 2700 0 2700 0 0 0 Construct the material requirements plan for item Wheels (enter your responses as whole numbers). Wheels: Lead Time = 3 weeks; Minimum order quantity = 2,000 Week 1 2 3 4 5 6 0 3400 0 3400 0 3400 Gross requirements Scheduled receipts Projected ending inventory: 4,000 Net requirements Planned receipts 4000 600 600 0 0 0 0 0 0 2800 0 3400 0 0 0 2800 0 3400 Planned orders 0 0 2800 0 3400 0