Use the Following Statements to Answer This Question

Multiple Choice

Use the following statements to answer this question:
I. Stock externalities depend on the accumulated results of actions by producers or consumers, not on the incremental results that may occur in a given period of time.
II. Stock externalities are always negative externalities.

A) I and II are true.
B) I is true and II is false.
C) II is true and I is false.
D) I and II is false.