Seeing as the job is very possibly for a school assignment I rather doubt he wants to ask his parents. That said, kudos to Steve for being honest and honorable about his age and for asking. That puts him a million miles above many others.
re: "...very possibly for a school assignment"
Maybe he wanted to commission some cool art that he could print on a T-shirt as a birthday gift for his sister.
The original poster's youthful age and enthusiasm made me think of the movie I watched on TV last weekend:
...in which Frank Abagnale Jr. was able to "be" a Pan-Am pilot, a doctor, and a lawyer - all before the age of 18.