250 - $16.50 $0.07 per item, includes $1.50 GST) 500 - $38.50 $0.08 per item, includes $3.50 GST) 750 - $49.50 $0.07 per item, includes $4.50 GST) 1000 - $64.90 $0.06 per item, includes $5.90 GST) 2500 - $130.90 $0.05 per item, includes $11.90 GST) 5000 - $251.90 $0.05 per item, includes $22.90 GST)