(b)1. Any person who knowingly sells, purchases,manufactures, delivers, or brings into this state, or who isknowingly in actual or constructive possession of, 28 gramsor more of cocaine, as described in s. 893.03(2)(a)4., or ofany mixture containing cocaine, but less than 150 kilogramsof cocaine or any such mixture, commits a felony of the firstdegree, which felony shall be known as "trafficking incocaine," punishable as provided in s. 775.082, s. 775.083,or s. 775.084. If the quantity involved:. . . .c. Is 400 grams or more, but less than 150 kilograms, suchperson shall be sentenced to a mandatory minimum term ofimprisonment of 15 calendar years and pay a fine of$250,000.