1. Which of the following statements regarding cost of goods available for sale is true?

   a.Cost of goods available for sale is an expense account.

   b.Cost of goods available for sale is subtracted from net sales to arrive at the gross margin.

   c.Cost of goods available for sale is a "pool" of costs to be distributed between what was sold and what was not sold during a period.

   d.Cost of goods available for sale is added to beginning inventory to determine cost of purchases during the period.