O Extending the service warranty for your notebook Contracting to sell your farm produce to the neighborhood grocery Question 4 1 pts Which one of these was a contributing factor to the need for many foreign banks to seek aid from their governments as a result of the financial crisis of 2007-2009? Interest rate spikes Decrease in their exchange rates O Investments in U.S. subprime mortgages w O Currency controls 1 pts Question 5 A share of IBM stock is purchased by an individual investor for $75 and later sold to another investor for $125. Who profits from this sale