3,500 per kg 30x2=60 kg 3500x60=210,000

3500per kg 22.5x2=45 3500x45=157,500

3500per kg 20x2=40 3500x40=140,000

3,500 per kg 15x2=30 3500x30=105,000

3,500 per kg 12.5x2=25 kg 3,500x25=87,500