/**
  * Sets $this->oPrice
  *
  * @param object $oPrice price
  *
  * @return null
  */
 public function setPrice($oPrice)
 {
     $this->_oPrice = oxNew('oxprice');
     $this->_oPrice->setBruttoPriceMode();
     $this->_oPrice->setVat($oPrice->getVAT());
     $this->_oPrice->addPrice($oPrice);
     $this->_oPrice->multiply($this->getAmount());
     $this->_oUnitPrice = oxNew('oxprice');
     $this->_oUnitPrice->setBruttoPriceMode();
     $this->_oUnitPrice->setVat($oPrice->getVAT());
     $this->_oUnitPrice->addPrice($oPrice);
 }