Consider the following information from a company's unadjusted trial balance at December 31, 2020. All accounts have normal balances. Accounts Receivable Accounts Payable Cash Service Revenue Common Stock Equipment Insurance Expense $ 5,100 680 1, 760 6,280 4,600 5,500 430 Land 4,400 Notes Payable, Due 2023 4,600 Notes Receivable, Matures 2021 1,260 Prepaid Insurance 430 Rent Expense 1,430 Retained Earnings, January 1, 2020 7,910 Salaries and Wages Expense 3,760 What is the total of the debit side of the unadjusted trial balance?