250 - $16.50 $0.07 per item, includes $1.50 GST) 500 - $27.50 $0.06 per item, includes $2.50 GST) 750 - $31.90 $0.04 per item, includes $2.90 GST) 1000 - $31.90 $0.03 per item, includes $2.90 GST) 2500 - $82.50 $0.03 per item, includes $7.50 GST) 5000 - $108.90 $0.02 per item, includes $9.90 GST)