A chemical plant produces 1000 kg/hour of a chemical product. The product is a liquid mixture containing 60% component A and 40% component B by weight. The plant wants to increase the concentration of component A to 80% by weight. You are given a stream of pure component A and a stream of pure component B. Design a process to achieve the desired concentration of component A in the product stream. The process must operate continuously and the product stream must be 1000 kg/hour.