[Solved] Which of the following is not an important aspect of SFAS No. 157 (FASB ASC 820)? A) A new definition of fair value. B) A requirement that all assets and liabilities are to be measured at their fair value. C) A fair value hierarchy used to classify the source of information used in fair value measurements (for example, market based or nonmarket based). D) New disclosures of assets and liabilities measured at fair value based on their level in the hierarchy. Basal Body: A cellular structure that forms the base of a eukaryotic cilium or flagellum, acting as a template for its assembly and anchoring it to the cell. Light Microscope: An instrument that uses visible light and a system of lenses to magnify small objects, enabling the observation of cells and other small structures. Micrographs: Photographic or digital images taken through a microscope to magnify objects that are too small to be seen by the naked eye. Cell Theory: Theory that all organisms consist of one or more cells, which are the basic unit of life; all cells arise by division of preexisting cells; and all cells pass hereditary material to offspring.