Buying more than 10 uds get a discount of 0,00 € per unit Buying more than 15 uds get a discount of 0,91 € per unit Buying more than 15 uds get a discount of 1,02 € per unit Buying more than 20 uds get a discount of 0,74 € per unit Buying more than 20 uds get a discount of 0,74 € per unit