ABC manufacture produces two models, pump A and purmp B. It cest RM40 to manufactore pump A and RMGO to produre pump B. The firm's morheting department estimates that if pumpA is priced at RMP1and the deluxe at RMP2, then manufacture sell 500(P2−P1) units of pump A and 45000+500(P1−2P2) units of the pump B each year. How should the item be phced to moximize protit?