Andrew and Barbara went to the bookstore to buy the same comic book

Andrew and Barbara went to the bookstore to buy the same comic book.
• Andrew did not bring enough money; in fact, to be able to buy that 1 comic book, he needs an additional $28.
• Meanwhile, Barbara, did not bring enough money either; in fact, to be able to buy that 1 comic book, she needs an additional $26. If Andrew and Barbara combine their money; they will have enough to buy that comic book, and will still have $2 left. How much does the comic book cost?