'This Year', 'previous_year' => 'Previous Year', 'this_quarter' => 'This Quarter', 'previous_quarter' => 'Previous Quarter', 'last_12_months' => 'Last 12 Months', 'summary' => [ 'income' => 'Income Summary', 'expense' => 'Expense Summary', 'income_expense' => 'Income vs Expense', ], ];