On January 4, 1990 the price of a widget was $71.54. On January 4, 2019 the price of a widget was $10.28. Find the average rate of change in the price of a widget from 1990 to 2019. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{10.28-71.54}{2019-1990}= -2.11$ dollars per year.