250 - $126.50 $0.51 per item, includes $11.50 GST) 500 - $240.90 $0.48 per item, includes $21.90 GST) 750 - $350.90 $0.47 per item, includes $31.90 GST) 1000 - $405.90 $0.41 per item, includes $36.90 GST) 2500 - $922.90 $0.37 per item, includes $83.90 GST) 5000 - $1,725.90 $0.35 per item, includes $156.90 GST)