Dée trader opens a brokerage account and purchases 300 shares of internet dreams at $40 per share. she borrows $4,000 from her broker to pay for the purchase. the interest rate on the loan is 8%. what is the margin in dée’s account when she first purchases the stock? if the share price falls to $30 per share by the end of the year, what is the remaining margin in her account? if the maintenance margin requirement is 30%, will she receive a margin call? what is the rate of return on her investment?

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.