(a) Except as authorized by this chapter, a person commits an offense if the person knowingly manufactures, delivers, or possesses with intent to deliver a controlled substance listed in Penalty Group 2 or 2-A.
(b) An offense under Subsection (a) is a state jail felony if the amount of the controlled substance to which the offense applies is, by aggregate weight, including adulterants or dilutants, less than one gram.
(c) An offense under Subsection (a) is a felony of the second degree if the amount of the controlled substance to which the offense applies is, by aggregate weight, including adulterants or dilutants, one gram or more but less than four grams.
(d) An offense under Subsection (a) is a felony of the first degree if the amount of the controlled substance to which the offense applies is, by aggregate weight, including adulterants or dilutants, four grams or more but less than 400 grams.
(e) An offense under Subsection (a) is a felony of the first degree punishable by imprisonment in the Texas Department of Criminal Justice for life or for a term of not more than 99 years or less than 10 years, and a fine not to exceed $100,000, if the amount of the controlled substance to which the offense applies is, by aggregate weight, including adulterants or dilutants, 400 grams or more.