The balance in Glencoe's allowance for doubtful accounts at the beginning of the year was $58,620 (credit). During the year, accounts in the total amount of $62,400 were written off.

1. Determine bad debt expense.

2. Prepare the journal entry to record bad debt expense.

3. If Glencoe had written off $90,000 of receivables as uncollectible during the year, how much would bad debt expense reported on the income statement have changed?