Question 18 3 pts The Cadbury Code of Best Practice is the UN equivalent of the Sarbanes-Oxley Act. is voluntary, but firms that fail to comply must explain why they choose not to comply. O has the force of law, like the Sarbanes-Oxley Act. O only applies to US companies Question 20 3 pts Where does most of the volume of foreign exchange transactions occur? O London New York City O Eurozone O Switzerland