A company reported total stockholders' equity of $340,000 on its balance sheet dated December 31, 2016. During the year ended December 31, 2017, the company reported net income of $40,000, declared and paid a cash dividend of $8,000, declared and distributed a 10% stock dividend with a $10,000 total market value, issued additional common stock for $60,000, and paid $12,000 to purchase treasury stock. What is total stockholders' equity as of December 31, 2017?

$432,000.

$444,000.

$420,000.

$410,000.