public function set_total( $value ) {
		$value = wc_format_decimal( $value );

		if ( ! is_numeric( $value ) ) {
			$value = 0;
		}

		$this->set_prop( 'total', $value );

		// Subtotal cannot be less than total.
		if ( '' === $this->get_subtotal() || $this->get_subtotal() < $this->get_total() ) {
			$this->set_subtotal( $value );
		}
	}