Zigma Corporation is authorized to issue 7,000,000 shares of $2 par value capital stock. The corporation issued half the stock for cash at $6 per share, earned $426,000 during the first three months of operation, and declared a cash dividend of $90,000. The total paid-in capital of Zigma Corporation after three months of operation is:

a) $21,000,000

b) $17,410,000

c) $17,500,000

d) $17,926,000