Please help answer 7

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3. Smarmy Sales, Inc. (SSI), sells herbal remedies through its Web site and through phone reps. Over the past six years, SSI has started to depend more and more on its Web site to generate sales. The figures below show total sales, phone rep costs, and Web site costs for the past six years: a. () Calculate productivity for the phone reps for each of the past six years. Interpret the results. b. () Calculate the productivity for the Web site for each of the past six years. Interpret the results. c. ) Compare your results in parts a and b. What are the limitations of these single-factor productivity measures? on both the phone reps and the Web site. Interpret the results. What can you conclude? 4. () A customer support job requires workers to complete a particular online form in 60 seconds. Les can finish the form in 70 seconds. What is his efficiency? What other performance measures might be important here? 7. ) When a driver enters the license bureau to have his license renewed, he spends, on average, 45 minutes in line, 2 minutes having his eyes tested, and 3 minutes to have his photograph taken. What is the percent value-added time? Explain any assumptions you made in coming up with your