250 - $31.90 $0.13 per item, includes $2.90 GST) 500 - $71.50 $0.14 per item, includes $6.50 GST) 750 - $93.50 $0.12 per item, includes $8.50 GST) 1000 - $115.50 $0.12 per item, includes $10.50 GST) 2500 - $229.90 $0.09 per item, includes $20.90 GST) 5000 - $346.50 $0.07 per item, includes $31.50 GST)