2. The BIGG Company had beginning balance in the AR account of $70,000. The company had credit sales during the year of $100,000 and collections of $80,000. If the company did not have any returns, what was the value of the invoices considered uncollectable and written off if the ending balance was $85,000? A. $5,000 B. $10,000 C. $15,000 D. $20,000