Following is a list of account balances of Lincoln Lawn Services as of December 31, after the first year of operations. Accounts Receivable $7,000 6,000 Accounts Payable Salaries Expense 6,000 Repairs Expense 900 Truck 8,000 Equipment 11,000 Notes Payable 26,000 Cash 8,000 Supplies Expense 11,000 Service Revenue 26,000 Gasoline Expense 7,500 Salaries Payable 1,200 Calculate the net income.