8. Lift Chart for Targeted Marketing. Mary Jay is a salesperson for a cosmetics company that relies on direct marketing to sell its products. A classification method was developed to predict whether a customer will purchase if contacted with a targeted marketing pitch. This classification method generated output to create following decile-wise lift chart on a test set of 10,000 customers, 400 of whom actually purchased the product when solicited with targeted marketing. a. In the top 1,000 customers deemed most likely to purchase in response to direct marketing, how many actually made a purchase? b. In the top 3,000 customers deemed most likely to purchase in response to direct marketing, how many actually made a purchase