Billy Bob CPA is the CEO and CFO of Company Z. Billy Bob is not in public practice. if Billy Bob issue financial statements with a transmittal letter, which of the following is true: a the letter should be on plain paper and reference the cpa b billy bob can use his CPA disignation as long as e notes his cpa designation c billy bob is not permitted to issue financial statements d billy bob must state that the financial statements are in accordance with gaap