On January 4, 1985 the price of a sprocket was $33.89. On January 4, 2019 the price of a sprocket was $76.97. Find the average rate of change in the price of a sprocket from 1985 to 2019. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{76.97-33.89}{2019-1985}= 1.27$ dollars per year.