(a) Each instance of conduct defined as theft under AS 11.46.100 constitutes theft in the first, second, third, or fourth degree.
(b) An accusation of theft is sufficient if it alleges that the defendant committed theft of property or services of the nature or value required for the commission of the crime charged without designating the particular way or manner in which the theft was committed.
(c) Proof that the defendant engaged in conduct constituting theft as defined in AS 11.46.100 is sufficient to support a conviction based upon any indictment, information, or complaint for theft.