Answer: b. 100
Step-by-step explanation:
With the market being so competitive in the United States, it has always been know that there are so many different products serving the same need to American customers which means that they have to choose from all these different products.
Studies have shown that the average number of these different products is 100 which means that an American shopper has to choose from among 100 times as many products as they actually end up buying.