Formula:

1. , = , %

2. = , ,

3. = , ,

The aging of accounts receivable as of December 31, 2020, are provided below: Accounts receivable Expected uncollectible 2,500,000 0% Outstanding 0 days 1 - 30 days 31 - 60 days 5% 1,500,000 400,000 10% 300,000 15% 61 - 90 days 91 - 120 days Over 120 days 20% 200,000 100,000 25% Compute for the following: 7. Allowance for doubtful accounts as of December 31, 2020 8. Doubtful accounts expense on December 31, 2020 9. Carrying amount of the accounts receivable as of December 31, 2020