Use of Account Balances as a Basis for Adjustments

Four Star Video has been in the video rental business for five years. The following is a list of accounts for Four Star Video at May 31, 2017. It reflects the recurring transactions for the month of May but does not reflect any month-end adjustments.

Cash$4,000

Prepaid Rent6,600

Video Inventory25,600

Display Stands8,900

Accumulated Depreciation5,180

Accounts Payable3,260

Customer Subscriptions4,450

Capital Stock5,000

Retained Earnings22,170

Rental Revenue9,200

Wage and Salary Expense2,320

Utilities Expense1,240

Advertising Expense600

Four Star accrues income taxes using an estimated tax rate equal to 30% of the income for the month.

How do I get the income tax. I have tried calculating and I can't get the right answer.