Mega Computer's Financial Statements Show 1000 Shares of Common Stock

Mega Computer's financial statements show 1000 shares of common stock with a par value of $10 000,retained earnings of $20 000,additional paid in capital of $10 000,and long-term debt of $30 000.What is the book value of a share of Mega's stock?

A) $70.00
B) $20.00
C) $40.00
D) $30.00
E) $50.00