(113) Following is an extract of account balances of Wilson Mowing Services as of December 31 of the first year of operation. Accounts Receivable $4.000 Accounts Payable 7,000 Salaries Expense 5,000 Repairs Expense 500 Truck 8.000 Equipment 8,000 Notes Payable 8.100 Cash 7.300 Supplies Expense 1,500 Service Revenue 31,000 Gasoline Expense 3.900 Salaries Payable 100 What is the amount of total assets at the end of the year