Do you think a company with “Inc.” give you more credibility than “LLC”? I think people tend to treat companies with Inc more seriously.
Your point regarding credibility in business is well-taken. Although I am happy to say that perceptions are changing.
A lot of large private companies are now formed as LLCs (including Amazon and Chrysler) and more and more people recognize the business savvy in those who own a limited liability company. Perhaps in the future you can consider this type of entity for your business endeavors.
(a) You made a typo in the card number, CCV code, expiration date, name or address;
(b) Your card balance is too low;
(c) Issuing bank has declined this transaction for some other reason related to your account.