Answer:
The average rate of change per year is 3,000,000.
Step-by-step explanation:
If you look at the year spam you will see that the period in question starts in 1992 and finishes in 1998, which is six years.
The total profit growth during these 6 years would then be 21,000,000 take off 3,000,000 resulting in 18,000,000.
In order to get the average rate of change per year, you should divide the total amount of profit growth, 18,000,000 by the six years it took for it to grow. Therefore the answer would be:
18,000,000 รท 6 = 3,000,000