250 - $31.90 $0.13 per item, includes $2.90 GST) 500 - $64.90 $0.13 per item, includes $5.90 GST) 750 - $82.50 $0.11 per item, includes $7.50 GST) 1000 - $97.90 $0.10 per item, includes $8.90 GST) 2500 - $207.90 $0.08 per item, includes $18.90 GST) 5000 - $350.90 $0.07 per item, includes $31.90 GST)