show shipping costs in woocommerce checkout summary

function custom_woocommerce_cart_shipping_method_full_label( $label, $method ) {
    $label .= ': ';

    if ( WC()->cart->tax_display_cart == 'excl' ) {
        $label .= wc_price( $method->cost );
        if ( $method->get_shipping_tax() > 0 && WC()->cart->prices_include_tax ) {
            $label .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
        }
    } else {
        $label .= wc_price( $method->cost + $method->get_shipping_tax() );
        if ( $method->get_shipping_tax() > 0 && ! WC()->cart->prices_include_tax ) {
            $label .= ' <small class="tax_label">' . WC()->countries->inc_tax_or_vat() . '</small>';
        }