Which of the following best describes the focus of the following engagements?
auditing engagement attestation engagement assurance engagement consulting services engagement
a. any information financial statements advice and decision support financial information.
b. financial information advice and decision support financial statements any information.
c. advice and decision support any information financial information financial statements.
d. financial statements financial information any information advice and decision support.

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?