On May 1,2011,Chickla Corporation's Balance Sheet Had the Following Information

On May 1,2011,Chickla Corporation's balance sheet had the following information available:
$\begin{array} { l l } \text { Total Assets } & \$ 500,000 \\\text { Total Liabilities } & \$ 400,000 \\\text { Total Stockholders' Equity } & \$ 100,000\end{array}$
During the month of May,Chickla Corporation earned revenues of $120,000 and incurred expenses of $30,000.Dividends declared during May were $20,000.The dividends will be paid in June.No other capital transactions occurred.What amount did Chickla Corporation's total stockholders' equity increase by in May?

A) $90,000
B) $120,000
C) $100,000
D) $70,000
E) $190,000