Every person subject to a tax imposed by this chapter shall keep a record showing the value and the gross receipts derived from engaging in any business taxable under this chapter as shall be required by the department and such record shall at all times be subject to inspection by any agent of the department. If any person required under the provisions of this chapter to keep any records, books or papers (a) fails to keep such true and correct records, books or papers, either or all, (b) fails or refuse to submit them for the inspection of the department or its duly authorized agent or (c) willfully makes a false or fraudulent return, such person shall be guilty of a misdemeanor and, upon conviction, shall be subject to a fine of not less than fifty dollars nor more than two hundred dollars or imprisonment of not less than thirty days or more than twelve months or both, in the discretion of the court.