$1.$ Your company, an apparel specialty store chain, has a relatively large number of salespeople. However, management isn't satisfied with the way the company evaluates the individual performance of sales associates. One controversial method involves filming sales transactions. Management finds this intriguing, but you believe the sales staff may find it intrusive. What other methods are used? Select companies similar to yours to determine what they are doing. What are the pros and cons of each? In your view, which method$($s$)$ would be best for your company?