Sosa Co.'s stockholders' equity at January 1, 2010 is as follows:

Common stock, $10 par value; authorized 300,000 shares; 

Outstanding 225,000 shares $2,250,000

Paid-in capital in excess of par 900,000

Retained earnings 2,190,000

Total $5,340,000

During 2010, Sosa had the following stock transactions:

Acquired 6,000 shares of its stock for $270,000.

Sold 3,600 treasury shares at $50 a share.

Sold the remaining treasury shares at $41 per share.

No other stock transactions occurred during 2010. Assuming Sosa uses the cost method to record treasury stock transactions, the total amount of all additional paid-in capital accounts at December 31, 2010 is

a. $891,600.

b. $870,000.

c. $908,400.

d. $927,600.