At the beginning of an accounting period a firm was owed 25,000 from its credit customers. During the year, the firm's credit sales amounted to 154,000 and cash sales were 14,000. It received 165,000 from its credit customers. Assuming there were no other transactions relating to the firm's credit customers, at the end of the accounting period the firm had trade receivables of: Multiple Choice 14,000 16,000 28,000. 36,000