public function get_columns() {
		$columns = array(
			'customer_name' => __( 'Name (Last, First)', 'woocommerce' ),
			'username'      => __( 'Username', 'woocommerce' ),
			'email'         => __( 'Email', 'woocommerce' ),
			'location'      => __( 'Location', 'woocommerce' ),
			'orders'        => __( 'Orders', 'woocommerce' ),
			'spent'         => __( 'Money spent', 'woocommerce' ),
			'last_order'    => __( 'Last order', 'woocommerce' ),
			'wc_actions'    => __( 'Actions', 'woocommerce' ),
		);

		return $columns;
	}