Radiant Transportation company provides two types of boats -Boat A and Boat B. Each Boat A can carry 15 passengers, 10 vehicles, and 40 tons of goods. On the other hand, Each Boat B can carry 15 passengers, 30 vehicles, and 30 tons of goods. You are to hire boats from Radiant as you have to ship 60 passengers, 80 vehicles, and 120 tons of Goods. If each Boat A costs $2000 and each Boat B costs $3000 then how many of each one you should hire to minimize cost while you ship the required number of passengers, vehicles, and good.