Waltham Industries Inc. 2. Which salesperson generated the highest contribution margin ratio for the year? 3. Identify the factors other than contribution margin that should be considered in evaluating the performance of salespersons. 1. Rate of growth in sales for the current year compared with past years 2. Years of experience for salespersons 3. Size of sales territory 4. Actual sales compared with budgeted sales 5. All of the above