Buy 50 for $1.00 AUD each
Buy 100 for $0.92 AUD each (8%% off!)
Buy 150 for $0.88 AUD each (12%% off!)
Buy 250 for $0.80 AUD each (20%% off!)
Buy 500 for $0.75 AUD each (25%% off!)
Buy 1000 for $0.65 AUD each (35%% off!)
Buy 3000 for $0.60 AUD each (40%% off!)
Buy 5000 for $0.52 AUD each (48%% off!)
Buy 10000 for $0.44 AUD each (56%% off!)