A) greater than 0 but less than or equal to 150,000 units
B) greater than 150,000 units but less than or equal to 300,000 units
C) greater than 300,000 units but less than or equal to 400,000 units
D) greater than 400,000 units but less than or equal to 500,000 units
E) greater than 500,000 units