What is the purpose of sfac 4 as stated in that concepts statement? a. to provide the methods for preparing financial statements for nonbusiness entitiesb. to provide a basis for establishing detailed accounting and reporting standards for nonbusiness entitiesc. to provide detailed accounting and reporting standards for nonbusiness entitiesd. all of the answer choices are correct.

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?