A customer sells 1 ABC Jul 90 Put at $5 when the market price of ABC is $89. The market falls to $82 and the customer is exercised. The customer then sells the stock in the market. The loss is: A $300 B $500 C $800 D $1,100

How has apple been able to sustain its competitive advantage in the smartphone industry? a. by reducing its network effects b. by targeting its new products and services toward laggards c. by driving the price for the end user to zero d. by regularly introducing incremental improvements in its products