In 2003,Kodak's Traditional Film Sales Were an $8 Billion Dollar

In 2003,Kodak's traditional film sales were an $8 billion dollar "cash cow." In 2009,the revenue generated dropped below $500 million.By 2012,film sales had virtually disappeared.Kodak's film SBU became a "dog" primarily due to

A) an exponential increase in the price of silver,which is necessary for the production of film.
B) the loss of patent protection.
C) too much revenue shifted from this SBU to the more profitable ink-jet printer SBU.
D) the use of traditional film cameras was only a fad.
E) the advent of the popularity of digital photography.