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.
checkAvailablesnipCountries ( )