When SW International declared a dividend of $20,000,000, its market value increased from $8 billion to $8.5 billion. However, it lost a chance to reinvest $20,000,000 in the research and development of a new product which would have earned a profit of $200 million. Thus, this $200 million is referred to as SW International's 1) producer surplus 2) consumer surplus 3) opportunity cost. 4) social cost