Total 30 points (5 points each) 1. The steps of the management science process are: a. problem definition, model construction, observation, model solution, implementation. b. observation, problem definition, model construction, model implementation. 3. C. model construction, problem definition, observation, model solution, implementation. d. observation, implementation, problem definition, model construction, model solution. 2. If the price decreases, but fixed and variable costs do not change, the break-even volume: a. decreases b. increases c. remains the same d. may increase or decrease, depending on sales. involves determining the functional relationship between variables, parameters, and equations. a. Problem observation b. Problem definition C. Model construction d. Model solution solution, 4. Variable cost: a. depends on the number of units produced. b. plus, marginal cost equals fixed cost. C. is equal to total cost in deterministic models. d. is the same as average cost. 5. Among the following object