English Conversation Practice - Wrong Color Jacket

Customer: I have a problem with my online order.
Customer service rep: What is the problem?
Customer: I order a black jacket, but I received a white one.
Customer service rep: I'm very sorry to hear that. We can exchange the jacket for you.
Customer: How do I return the wrong one?
Customer service rep: You can return it by mail or return it to one of our stores.

1. What kind of order did the customer make?
Purchased in a store
Ordered online
Ordered by phone
Mail order

2. What is the problem with the order?
Customer received the wrong size
Customer never received the order
Customer received the wrong color
Customer was charged twice the amount

3. How can the customer return the wrong item?
Return it to one of the stores
Return it by mail
Both A and B
None of the above