Refer to the association marked with the number 4 in the preceding diagram. Which of the following

Question:

Refer to the association marked with the number 4 in the preceding diagram. Which of the following is the best description of the association?
a. Each inventory item is ordered one time.
b. Each inventory item is ordered zero times.
c. Each inventory item is ordered on a minimum of zero purchase orders.
d. Each inventory item is ordered on a minimum of one purchase order.
e. None of these are a description of the association.