Discount for regular customers! If the total of your purchases from the seller
Mathematica
exceeds:
- $20 discount 10%
- $18 discount 9%
- $16 discount 8%
- $14 discount 7%
- $12 discount 6%
- $10 discount 5%
- $8 discount 4%
- $6 discount 3%
- $4 discount 2%
- $2 discount 1%