250 - $20.90 $0.08 per item, includes $1.90 GST) 500 - $42.90 $0.09 per item, includes $3.90 GST) 750 - $60.50 $0.08 per item, includes $5.50 GST) 1000 - $75.90 $0.08 per item, includes $6.90 GST) 2500 - $185.90 $0.07 per item, includes $16.90 GST) 5000 - $335.50 $0.07 per item, includes $30.50 GST)