The Izzo Company has provided the following information: *The allowance for doubtful accounts balance at the beginning of the year was a credit balance of $40,000. *The allowance for doubtful accounts balance at the end of the year after the recording of bad debt expense was a credit balance of $55,000 *Accounts receivable written-off as uncollectible during the year amounted to $5,000. How much was the Izzo Company's bad debt expense for the year? O $5,000 $20,000 O $15,000 O $10,000