The adjusted trial balance of Ryan Financial Planners appears below. Using this information, what is the company's operating income?

RYAN FINANCIAL PLANNERS

Adjusted Trial Balance

31-Dec-07

Debit Credit

Cash 4,400

Accounts Receivable 2,200

Office Supplies 1,800

Office Equipment 20,000

Accumulated Depreciation -- Office Equipment 4,000

Accounts Payable 3,800

Unearned Revenue 5,000

Common Stock 10,000

Retained Earnings 4,400

Dividends 2,500

Service Revenue 3,700

Office Supplies Expense 600

Depreciation Expense 2,500

Rent Expense 1,900

33,400 33,400