On January 4, 1970 the price of a widget was $85.83. On January 4, 1976 the price of a widget was $5.93. Find the average rate of change in the price of a widget from 1970 to 1976. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{5.93-85.83}{1976-1970}= -13.32$ dollars per year.