What is the book value per share for the current year below, please show me the work so I can understand: I am coming up with negative $3.19 per share (-$581,000,000 / 182,350,259)

Stocks

Presented below is the stockholders equity section of AMR Corporation. All amounts are in millions except for number of shares and par value.

Stockholders' Equity (Deficit)	Current Year	Prior Year
Preferred stock - 20,000,000 shares authorized; none issued	$ -0-	$ -0-
Common stock - $1 par value; 750,000,000 shares authorized; 182,350,259 shares issued	182	182
Additional paid-in capital	2,521	2,605
Treasury shares at cost: current year-21,194,312; prior year-22,768,027	(1,308)	(1,405)
Accumulated other comprehensive loss	(664)	(785)
Accumulated deficit	(1,312)	(551)
	$ (581)	$ 46

Explain why the common stock is classified as part of the stockholders equity.

Explain why treasury stock is not classified as an asset.

Explain what is meant by "Accumulated other comprehensive loss."

Why is the accumulated deficit larger in the current year than in the prior year?

Compute book value per share for AMR for the current year.