At the beginning of the year, a corporation had $$\$ 300,000$$ of common stock and $$\$ 700,000$$ of retained earnings. During the year, the corporation issued $$\$ 200,000$$ of additional common stock, earned net income of $$\$ 500,000$$, and paid cash dividends of $$\$ 100,000$$. Total stockholders' equity at year end is:
a. $$\$ 1,200,000$$
b. $$\$ 1,500,000$$
c. $$\$ 1,700,000$$
d. $$\$ 1,600,000$$
e. Some other amount