A Firm's Earnings Per Share Increased from $10 to $12

A firm's earnings per share increased from $10 to $12, its dividends increased from $4.00 to $4.40, and its share price increased from $80 to $100. Given this information, it follows that ________.

A) the share experienced a drop in its P/E ratio
B) the company had a decrease in its dividend payout ratio
C) both earnings and share price increased by 20%
D) the required rate of return increased