250 - $20.90 $0.08 per item, includes $1.90 GST) 500 - $42.90 $0.09 per item, includes $3.90 GST) 750 - $53.90 $0.07 per item, includes $4.90 GST) 1000 - $71.50 $0.07 per item, includes $6.50 GST) 2500 - $137.50 $0.06 per item, includes $12.50 GST) 5000 - $258.50 $0.05 per item, includes $23.50 GST)