A company produces two types of bikes, a Mountain bike and a road bike. It takes 3hours to assemble a mountain bike and 4hours to assemble a road bike. The total time available to assemble bike is 60hours. The company wants to have at least twice as many mountain bikes as road bikes to sell. The company makes a profit of 200 per road bike and 100 per mountain bike. How many of each bike should be made to maximize profit