The bursar's office at a large state school sends a team to the bookstore on campus to see how they handle customers and process payments. This is an example of functional benchmarking

Which of the following is most likely true of a sales force?

A) The performance difference between an average salesperson and a top salesperson is generally substantial. B) The cost of replacing a salesperson is usually low because minimal training is necessary. C) A sales force with many new people is typically more productive than one whose members have been around for a long time. D) Individuals within a sales force generally perform at the same level of efficiency. E) On-site sales training is more efficient and less costly than e-learning programs.

The ________ property of linear programming models indicates that the values of all the model parameters are known and are assumed to be constant

A) additive B) divisibility C) certainty D) proportionality