On January 4, 1980 the price of a sprocket was $39.25. On January 4, 2013 the price of a sprocket was $93.55. Find the average rate of change in the price of a sprocket from 1980 to 2013. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{93.55-39.25}{2013-1980}= 1.65$ dollars per year.