Consider the following information from a company's unadjusted trial balance at December 31, 2018. All accounts have normal balances. Accounts Receivable $ 5200 Accounts Payable 685 Cash 1770 Service Revenue 6410 Common Stock 4700 Equipment 5600 Insurance Expense 435 Land 4500 Notes Payable, Due 2021 4700 Notes Receivable, Matures 2019 1270 Prepaid Insurance 435 Rent Expense 1435 Retained Earning, January 1, 2018 7920 Salaries and Wages Expense 3770 What is the total of the debit side of the unadjusted trial balance? O $19,715. O $15,915. O $19,030. O $24,415.