For October, a business has total cash inflow of 20,000. October expenses are 12,000 of which 3,500 is paid next month and includes 400 depreciation. If the opening cash balance for October was 5,000, what is Octobers closing cash balance?

1. 13,000

2. No answer is correct

3. 25,000

4. 16,900

5. 17,700