Following is an extract of account balances of Aztec Moving Services as of December 31, after the first year of operation.

Accounts Receivable	$4,000
Accounts Payable	4,000
Salaries Expense	4,000
Repairs Expense	800
Truck	8,000
Equipment	10,000
Notes Payable	8,300
Cash	7,100
Supplies Expense	1,000
Service Revenue	35,000
Gasoline Expense	3,300
Salaries Payable	200

What is the amount of total assets at the end of the year?