@Test
public void incomeVersusExpenses() {

	IncomeVersusExpensesReport report = service.incomeVersusExpenses();
	List<Month> months = report.getMonths();
	assertNotNull(months);
	assertEquals(2, months.size());
	assertMonth("January 2015", 102300, 1500, months.get(0));
	assertMonth("February 2015", 0, 12345, months.get(1));
}