On January 4, 1975 the price of a widget was $88.93. On January 4, 2016 the price of a widget was $51.03. Find the average rate of change in the price of a widget from 1975 to 2016. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{51.03-88.93}{2016-1975}= -0.92$ dollars per year.