ABACI, an accounting firm, is conducting an audit of Medium Co. The CEO of Medium Co. has asked that ABACI also consult on matters relating to internal bookkeeping. SOX would definitely allow for the provision of consulting services in this case. O b. would not allow ABACI to provide consulting services if Medium Co. has shares which trade on a public exchange. O c. does not allow for the provision of consulting services by auditors under any circumstances. O d. would allow for ABACI to provide consulting services, but only if Medium Co. has shares traded on a public exchange