. A year-end review of accounts receivable and estimated uncollectible percentages revealed the following:

1-30 days $24,000 2%

31-60 days $800 10%

61-90 days $500 20%

Prior to the year-end adjusting entry, the balance in Allowance for Uncollectible Accounts was $300. The bad debt expense for the year was:

1. $300
2. $360
3. $660
4. $960