prepare( "INSERT INTO tax_reports (user_id, tax_type, period_month, period_year, gross_revenue, tax_amount) VALUES (:user_id, :tax_type, :period_month, :period_year, :gross_revenue, :tax_amount)" ); $stmt->execute([ ':user_id' => $user_id, ':tax_type' => $tax_type, ':period_month' => $period_month, ':period_year' => $period_year, ':gross_revenue' => $gross_revenue, ':tax_amount' => $tax_amount ]); $notification = 'Laporan pajak Anda telah berhasil diserahkan. Tarif pajak yang dikenakan adalah 10%.'; } catch (PDOException $e) { $error = "Gagal menyimpan laporan: " . $e->getMessage(); } } } ?>