Which of the following Magento classes should be used for adding custom duties/taxes to a quote during the checkout process?

Upwork «Magento» Upwork test
1
  • Mage_Sales_Model_Quote_Item_Option
  • Mage_Sales_Model_Quote_Address_Total_Abstract
  • Mage_Sales_Model_Quote_Item
  • Mage_Sales_Model_Quote_Payment

stackoverflow.com/a/4879662