The Following Events Occur One at a Time: I

The following events occur one at a time: I. The price of crude oil rises.
II. The price of a car rises.
III. All speed limits on highways are abolished.
IV. Robots cut car production costs.
The quantity of gasoline supplied

A) increases when all speed limits on highways are abolished.
B) increases when the price of crude oil rises.
C) decreases when robots cut car production costs.
D) increases when the price of a car rises.
E) decreases when the price of crude oil rises.