can i get help with this please?

15) FASB Technical Bulletins a. are s/pilar de FASB Interpretations in that they establish enforceable standards under the AICPA's Code of Professional Ethics b. are issued monthly by the FASB to deal with current topics c. are not expected to have a significant impact on financial reporting in general and provide guidance when it does not conflict with any broad fundamental accounting principle. d. were recently discontinued by the FASB because they dealt with specialized topics having ble impact on financial reporting in general