New Customer Discount: 

New customers purchasing at least 1,000 units receive 20% off their initial order. Units must be purchased by December 31, 2017. 

Volume Purchase Discount: 

After a school has purchased 20,000 units in a year, the school receives a 5% discount on the next 20,000 units purchased that same year (units 20,001 - 40,000). Schools receive a 10% discount on all units purchased that year beyond 40,000.