December 31, 2010:
Common stock, $1 par, $100,000 shares authorized $80,000
Additional paid-in capital-common $60,000
Retained earnings $40,000
Total contributed capital and retained earnings $180,000
Less: Treasury stock(2,000 common shares at cost) $20,000
Total Stockholders equity $160,000

There isn't any way to know that. You can only figure out the average of what they sold for, not the actual sale price.