250 - $141.90 $0.57 per item, includes $12.90 GST) 500 - $262.90 $0.53 per item, includes $23.90 GST) 750 - $383.90 $0.51 per item, includes $34.90 GST) 1000 - $445.50 $0.45 per item, includes $40.50 GST) 2500 - $1,017.50 $0.41 per item, includes $92.50 GST) 5000 - $1,897.50 $0.38 per item, includes $172.50 GST)