Chez Fred Bakery estimates the allowance for uncollectible accounts at 3% of the ending balance of accounts receivable. During 2013, Chez Fred's credit sales and collections were $120,000 and $143,000, respectively. What was the balance of accounts receivables on January 1, 2013, if $150 in accounts receivable were written off during 2013 and if the allowance account had a balance of $990 on December 31, 2013? a. $43,000. b. $840. c. $56,150. d. None of the above is correct.