In a Very Popular Movie,the Principal Character Wore Aviator Sunglasses

In a very popular movie,the principal character wore aviator sunglasses that were given to the movie studio by the sunglasses producer.The sunglasses suddenly became very popular,and their producer earned significant profits.Which of the following theories on the source of profits discussed in the text best describes the reason behind this success?

A) Uncertainty is a source of profits.
B) Profit is a reward for alertness to arbitrage opportunities.
C) Profit is the return to the entrepreneur as innovator.
D) Profit is a reward for waiting long enough for consumers to respond to your product.