he following account balances are taken from the December 31, 2015, financial statements of ABZ Advertising Company. The company uses accrual basis accounting. Advertising revenue $ 51,780 Cash 46,084 Accounts receivable 7,810 Interest expense 2,401 Accounts payable 5,220 Operating expenses 41,942 Unearned revenue 1,310 Equipment 20,194 Income tax expense 2,589 The following activities occurred in 2016: 1. Performed advertising services on account, $61,250. 2. Received cash payments on account, $11,700. 3. Received deposits from customers for advertising services to be performed in 2017, $3,400. 4. Made payments to suppliers on account, $5,220. 5. Incurred $50,100 of operating expenses; $43,400 was paid in cash and $6,700 was on account and unpaid as of the end of the year. What is the balance of Accounts Receivable at December 31, 2016