Which one of the folbwing classes must you extend in order to implement a custom indexer?
A. Mage_Eav_Model_Indexet:_Abstract
B. Mage_Cotre_Model_lndexeir_Abstract
C. Mage_Index_Model_Entity_Indexer_Abstract
D. Mage_Index_Model_Indexer_Abstract
Which one of the folbwing classes must you extend in order to implement a custom indexer?
A. Mage_Eav_Model_Indexet:_Abstract
B. Mage_Cotre_Model_lndexeir_Abstract
C. Mage_Index_Model_Entity_Indexer_Abstract
D. Mage_Index_Model_Indexer_Abstract