On January 4, 1969 the price of a widget was $11.85. On January 4, 2008 the price of a widget was $9.09. Find the average rate of change in the price of a widget from 1969 to 2008. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{9.09-11.85}{2008-1969}= -0.07$ dollars per year.