This table shows the amount (in dollars) in a savings account over a 7-year period. Estimate the average savings per year in the last five years.
Year Amount (in dollars)
2003 8,000
2004 17,400
2005 28,270
2006 40,684
2007 54,718
2008 70,453
2009 87,977
A.
59,707.00 $/year
B.
14,926.75 $/year
C.
9,343.60 $/year
D.
29,814.40 $/year
