An bought 200 shares of stock at a price of $10 a share. She used her 70% margin account to e the purchase. Megan sold her stock after a year for $12 a share. Ignoring margin interest and
ng costs, what is Megan's return on investor's equity for this investment?

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?