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add_filter('b2bking_dynamic_recalculate_sale_price_display', function($price_html, $product, $sale_price){

	if ($product){
		if ($product->is_on_sale()){
			$price_html = $product->get_sale_price();
			//if (floatval($price_html) === floatval(0)){
				if ($product->is_type('variable')){
					$children = $product->get_children();
					$variation = wc_get_product($children[0]);
					$regprice = $variation->get_regular_price();
					$saleprice = $variation->get_sale_price();
															
					if ($regprice !== $saleprice){
						if ($saleprice < $regprice){
							$price_html = wc_format_sale_price( $regprice, $saleprice) . $product->get_price_suffix($saleprice);
						} else {
							$price_html = wc_price($saleprice) . $product->get_price_suffix($saleprice);
						}
					} else {
						$price_html = wc_price($regprice) . $product->get_price_suffix($regprice);
					}
					
				}
			//}
		}
	}
	return $price_html;
}, 11, 3);