In a certain city, the average income for a family of four rose from \(\$12,200\) in \(1980\) to \(\$16,300\) in \(1986.\) This represents an increase of approximately
A. \(4\%\)
B. \(25\%\)
C. \(33 1/3 \%\)
D. \(40\%\)
E. \(60\%\)
The OA is C