Constable Co. reported the following information at December 31, Year 1:
Accounts Payable $4,540
Accounts Receivable 9,390
Cash 23,890
Common Stock 90,400
Equipment 49,900
Inventory 31,600
Notes Payable due December 31, Year 3 2,540
Retained Earnings, December 31, Year 1 14,130
Wages Payable 3,170
What is the amount of current liabilities on the classified balance sheet?