Which two public methods must be implemented in a functional custom shipping method directly extending
Mage_Shipping_Model_Carrier_Abstract and also implementing Mage_Shipping_Model_Carrier_Interface?
(Choose two)
A.
collectRates()
B.
getAllowedMethods()
C.
isTrackingAvailable()
D.
isFixed()
E.
getConfigData()
F.
checkAvailableShipCountries()