The price of a share of stock is increasing at an exponential rate. The table below represents the stock price after x years. Calculate the stock's average price increase per year for the following intervals. Round to the nearest cent.
The stock's average price increase per year from years 4 to 6 is $
.

The stock's average price increase per year from years 6 to 8 is $
.

The stock's average price increase per year from years 8 to 10 is $
.

Observing how these rates of change are related, predict the stock's average price increase per year from years 10 to 12 to the nearest ten dollars. $