Find the Average Rate of Change Illustrated in the Graph

Multiple Choice

Find the average rate of change illustrated in the graph.
-Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns over 6 years. Find
The average rate of change per year between year 3 and year 5. $$\begin{array} { c | c } \text { Year } & \text { Charitable Contributions } \\\hline 1 & \$ 1970 \\2 & \$ 2430 \\3 & \$ 2460 \\4 & \$ 2810 \\5 & \$ 3050 \\6 & \$ 3180\end{array}$$

A) $310 per year
B) $360 per year
C) $590 per year
D) $295 per year