BIM CO. sells products in a state where the sales tax rate is 10%. BIM began Year 2 with $100,000 in inventory and retained earnings. BIM CO. engaged in the transactions for Year 2.

1. Cash sales, not including sales tax, Year 2 amounted to $30,000 cash

2. Cost of goods sold was $18,000 for the year

3. Paid $3,600 in operating expenses for the year

4. Paid $2,250 in sales tax collected to the state agency

What is BIM CO's sales tax payable balance at the end of year 2?