9. Calculating interest for customer's current deposit account in June 2020, knowing the interest rate of TT deposit is 1.5%/year, one year interest calculation days are 365 days. The bank calculates interest on the 25th of every month and the transactions arising on the account are as follows:

Account balance (VND) 09/05/20 Receiving sales revenue 12/05/20 Payment for staff salary 12/05/20 Payment for raw materials 16/06/20 Receiving sales revenue 18/06/20 Payment for electricity 25/06/20 Cash deposit 128.000.000 553.000.000 158.600.000 282.800.000 329.000.000 25.389.000 30.000.000