Superior has provided the following information for its recent year of operation:

The common stock account balance at the beginning of the year was $12,000 and the year-end balance was $16,000.

The additional paid-in capital account balance increased $3,700 during the year.

The retained earnings balance at the beginning of the year was $70,000 and the year-end balance was $91,000.

Net income was $38,000.

How much did Superior sell its common stock for during the year?