b) (10 points) Design an experiment to test which ordering of the sales pitch topics is most effective in generating sales. Be specific. Make sure to explain how the design reduces concerns about the 3 key confounding factors - selection bias, history and testing effects.QUESTION 1: (15 POINTS) a) (5 points) You manage a car dealership with 2 salespeople. One salesperson is newly hired and fresh out of college while the other has been with you for many years. You notice that the new salesperson first talks to customers about your price advantage relative to other dealerships and then talks about service and the other attributes you offer. The veteran salesperson's sales pitch is in the opposite order. The veteran also frequently is personally acquainted with the customers. Since the veteran is much more successful in making sales, can you conclude that a sales pitch that talks about service, etc. first, and then price is more effective? Explain