The following purchasing categories are hereby created:

   (1) CATEGORY ONE: $20,000.

   (2) CATEGORY TWO: $35,000.

   (3) CATEGORY THREE: $65,000.

   (4) CATEGORY FOUR: $195,000.

   (5) CATEGORY FIVE: $325,000.

ss. 5, 13, ch. 86-204; ss. 12, 34, ch. 90-268; s. 3, ch.