Do It! Review 1-3a (Part Level Submission) Skysong, Inc. began operations on January 1, 2017. The following information is available for Skysong, Inc. on December 31, 2017. Accounts payable Accounts receivable Advertising expense Cash Common stock Dividends Equipment $ 8,100 Notes payable $13,200 13,100 5,100 Rent expense 4,470 Retained earnings 6,200 Service revenue 18,100 Supplies 5,600 Supplies expense 31,200 5,000 1,230 29,900