Aman buys 4.5 acres of land for $78,400. an adjoining owner wants to purchase a strip of this land measuring 150 feet by 100 feet. what should this strip cost the adjoining owner if the owner sells it for the same price per square foot he originally paid for it

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?