Barr Co. had the following sales and accounts receivable balances, prior to any adjustments at year end Credit sales $10,000,000 Accounts receivable 3,000,000 ance for uncollectible accounts (debit balance) 50,000 Barr uses 3% of accounts receivable to determine its allowance account for uncollectible accounts at year end. By what amount should Barr adjust its allowance for uncollectible accounts at year end? Select one $0 $40,000 $90,000 $140,000