Porter Corp. purchased its own par value shares on January 1, 2015 for $20,000 and debited the treasury shares account for the purchase price. The shares were subsequently sold for $12,000. The $8,000 difference between the cost and sales price should be recorded as a deduction from

		A. contributed capitaltreasury stock to the extent that previous net gains from sales of the same class of stock are included therein; otherwise, from retained earnings.
		B. contributed capitaltreasury stock without regard as to whether or not there have been previous net gains from sales of the same class of shares included therein.
		C. retained earnings.
		D. net income.