Solve the Problem $$\text { Find } \sum _ { i = 4 } ^ { 9 } a _ { i }$$

Multiple Choice

Solve the problem.
-The bar graph below shows a company's yearly profits from 2003 to 2011. Let an represent the company's profit, in millions, in year n, where n = 1 corresponds to 2003, n = 2 corresponds to 2004, and so on.
$$\text { Find } \sum _ { i = 4 } ^ { 9 } a _ { i }$$

A) $505.8 million
B) $549.6 million
C) $167.9 million
D) $491.7 million