Question 1 3 pts Based on the Total Productivity equation, productivity can be certainly improved by Formulas you may need: Outputs Productivity Input O decreasing inputs while holding outputs steady decreasing outputs while holding inputs steady increasing Inputs and outputs in the same proportion Increasing inputs while holding outputs steady O none of the above Question 2 3 pts Which one of the following is NOT a feature of a model? Abstract representation of a real situation is offered Details of the real system are fully captured O A purposeful representation of a system is presented The relationships among key factors in the real system are covered It can serve as a mock-up for testing and analysis before we deal with the real system