The cost of painting a wall increases by a fixed percentage each year. In \(1970,\) the cost was \(\$2,000;\) and in

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The cost of painting a wall increases by a fixed percentage each year. In \(1970,\) the cost was \(\$2,000;\) and in \(1979,\) it was \(\$3,600.\) What was the cost of painting in \(1988?\)

A. \(\$1,111\)
B. \(\$2,111\)
C. \(\$3,600\)
D. \(\$6,240\)
E. \(\$6,480\)

OA E