public function get_columns() {
		$columns = array(
			'order'     => __( 'Order', 'event-tickets-plus' ),
			'purchaser' => __( 'Purchaser', 'event-tickets-plus' ),
			'email'     => __( 'Email', 'event-tickets-plus' ),
			'purchased' => __( 'Purchased', 'event-tickets-plus' ),
			'address'   => __( 'Address', 'event-tickets-plus' ),
			'date'      => __( 'Date', 'event-tickets-plus' ),
			'status'    => __( 'Status', 'event-tickets-plus' ),
		);

		if ( self::event_fees( $this->event_id ) ) {
			$columns['subtotal'] = __( 'Subtotal', 'event-tickets-plus' );
			$columns['site_fee'] = __( 'Site Fee', 'event-tickets-plus' );
		}

		$columns['total'] = __( 'Total', 'event-tickets-plus' );

		return $columns;
	}//end get_columns