Damian Walker Just Purchased a New Vehicle

Damian Walker just purchased a new vehicle.He is reading his owner's manual to know when he needs to take it in for its regular servicing at the dealer.He wants to make sure this car lasts a while.What step in the purchasing process is Damian carrying out?

A) problem identification
B) information gathering
C) evaluating alternatives
D) determining the purchase price
E) post purchase activities