How do I solve for Switching costs and Maximum Price

P01140S is currently the only firm offering an audience response system that professors en use during their online classes. The price chzrged by 9011405 is currently 5130. A typical professor vslues POI-CS's product 5200. A new firm, EVPOI is considering entering the market with new product is more user friendly ard offers additions' ir,terzctrve features. Most teaching experts consider it tc be worth 5300 to professors. Sup.ose that a professor will incur 550 switching cost if she switches to the new product. Whit is the mnirnum price EVPoII could charge to attract clients (assuming P01140S maintains its price)?