Which statements about third party relationships are true? Select all that apply.
a. Under the SEC rules, an alliance relationship may be possible, subject to materiality and significance considerations.
b. Under the SEC rules, supplier-vendor relationships are generally permissible under the normal course of business.
c. Under SEC rules, we cannot have a subcontracting relationship with an audit client and/or affiliate.
d. Under the SEC rules, a third-party resource relationship with an audit client is usually prohibited because it creates a mutuality of interest between KPMG and the audit client.