/** * Retrieve tax calculation html content * * @param Varien_Object $item * @return string */ public function displayTaxCalculation(Varien_Object $item) { if ($item->getTaxPercent() && $item->getTaxString() == '') { $percents = array($item->getTaxPercent()); } else { if ($item->getTaxString()) { $percents = explode(Mage_Tax_Model_Config::CALCULATION_STRING_SEPARATOR, $item->getTaxString()); } else { return '0%'; } } foreach ($percents as &$percent) { $percent = sprintf('%.2f%%', $percent); } return implode(' + ', $percents); }