WooCommerce show product VAT rating on product page

gistfile1.txt

/**
 * Display the tax rate applicable to a product, on the single product page.
*/
function show_product_vat_rating(){
  global $product;
 
  $price_incl_tax = wc_get_price_including_tax($product);
  $price_excl_tax = wc_get_price_excluding_tax($product);
 
  if(($price_incl_tax != 0) && ($price_excl_tax != 0)) {
    // Determine the tax rate, with a maximum of two decimals
    $tax_rate = round((($price_incl_tax / $price_excl_tax) - 1) * 100, 2);
  }
 
  // Display a message with the tax rates
  echo 'All pricing is excluding <b>'. $tax_rate . ' VAT</b>';
}
 
add_action( 'woocommerce_before_add_to_cart_form', 'show_product_vat_rating', 20 );