§ 220.43 Criminal sale of a controlled substance in the first degree. A  person  is guilty of criminal sale of a controlled substance in the  first degree when he knowingly and unlawfully sells: 1.  one  or  more  preparations,  compounds,  mixtures  or  substances  containing  a narcotic drug and the preparations, compounds, mixtures or  substances are of an aggregate weight of two ounces or more; or 2. methadone and the methadone weighs  two  thousand  eight  hundred  eighty milligrams or more. Criminal sale of a controlled substance in the first degree is a class  A-I felony.