Notwithstanding any provision to the contrary, all net revenue derived from the sale of nonalcoholic beverages, snacks, candy, cigarettes, and other articles from vending machines at welcome centers and tourist centers shall be utilized by the Department of Industry, Trade, and Tourism to offset the cost of maintenance of all welcome centers and tourist centers and litter pickup in these areas. Notwithstanding any provision to the contrary, all net revenue derived from the sale of nonalcoholic beverages, snacks, candy, cigarettes, and other articles from vending machines at safety rest areas shall be utilized by the Department of Transportation to offset the cost of maintenance of all safety rest areas and litter pickup in these areas.