On January 4, 1989 the price of a stembolt was $33.08. On January 4, 1996 the price of a stembolt was $99.10. Find the average rate of change in the price of a stembolt from 1989 to 1996. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{99.10-33.08}{1996-1989}= 9.43$ dollars per year.