Karen and mike currently insure their cars with separate companies, paying $700 and $900 a year. if they insure both cars with the same company, they would save 10 percent on the annual premiums. what would be the future value of the annual savings over 10 years based on an annual interest rate of 4 percent

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?