price group | discount | price per piece

10 – 24 pieces | 0% | $2.4 per piece
25 – 49 pieces | 5% | $2.47 per piece
50 – 99 pieces | 10% | $2.34 per piece
100 – 249 pieces | 20% | $1.08 per piece
250 – 499 pieces | 25% | $1.95 per piece
500 – 999 pieces | 30% | $1.82 per piece

Reseller subscription | 50% | $1.2 per piece