Solve the Problem $-\$ 8 /$ Year
B) About - $\$ 4 /$

Multiple Choice

Solve the problem.
-The graph shows the average cost of a barrel of crude oil for the years 1981 to 1990 in constant 1996 dollars. Find the approximate average change in price from 1981 to 1985.

A) About $-\$ 8 /$ year
B) About - $\$ 4 /$ year
C) About $-\$ 37 /$ year
D) About $-\$ 16 /$ year