50 - $53.90 $1.08 per item, includes $4.90 GST) 100 - $86.90 $0.87 per item, includes $7.90 GST) 250 - $196.90 $0.79 per item, includes $17.90 GST) 500 - $313.50 $0.63 per item, includes $28.50 GST) 750 - $467.50 $0.62 per item, includes $42.50 GST) 1000 - $614.90 $0.61 per item, includes $55.90 GST)