17. Which of the following statements is not true about Huff Gravity Model? A. The model specifies two factors that assess the probability: (1) the attractiveness of the store's location and (2) the time it takes a consumer to travel to the store. B. It predicts the probability of a customer going to a specific store location. C. The formula indicates that the larger the size of the store compared with competing stores' sizes, the greater the probability that a customer will shop at the location. D. The greater travel time or distance for the consumer, compared with that of competing locations, the higher the probability that the consumer will shop at the location.18. How do companies collect data on their customers? Pick a company and explain how they do it