Which of the following would have the lowest switching costs?
A.acustomerorderingfromPapaJohn’sinsteadPizzaHut
B.anindividualgettingridofaPS3gamesystemandbeginningtouseaWiigamesystem
C.acompanychangingfromaQWERTYkeyboardtoakeyboardwithadifferentformat
D.acustomermovingabankaccountfromonebanktoanother