Weyerhaeuser Incorporated has a balance sheet that lists $70 million in assets, $45 million in liabilities, and $25 million in common shareholders' equity. It has 1 million common shares outstanding. The replacement cost of its assets is $85 million. Its share price in the market is $49. Its book value per share is _________.

$40.83

$37.50

$25

$16.67