Roster Co. adjusts its Allowance for Doubtful Accounts at year end. The general ledger balances for the Accounts Receivable and the related allowance account before adjustment were $1,500,000 and $45,000, respectively. Roaster estimates its necessary balance in its Allowance for Doubtful Accounts as 4% of the Accounts Receivable balance. What amount should Roaster record as an adjustment to its Allowance for Doubtful Accounts at year end