Originally Posted by pseudoswede
If the friend can book far enough in advance, he can reserve the bulkhead, and have a bassinet installed for the baby.
This really is key ... getting the bulkhead with the bassinet makes the flight 200 times more comfortable. For everyone! Basically, a table folds down in front of you and they strap on a plastic "box" on it that's filled with blankets.
Oh, and the other posters are right about the 10% + taxes.