Classifying Customer Input
If the expiration date for a chemical container
has been reached, then notify the person who
currently possesses that container.
If the vendor cannot ship an ordered item within
five days of receiving the order, then the item is
back-ordered.
The unit price is reduced by 10% for orders of 6
to 10 units, by 20% for orders of 11 to 20 units,
and by 35% for orders of more than 20 units.