Multiple Choice: (select one answer) [5 points] 1. In model development, a deterministic Model is where: a. the uncontrollable inputs to the model can vary b. the uncontrollable inputs to the model cannot vary c. the controllable inputs to the model can vary d. the controllable inputs to the model cannot vary Multiple Choice: (select one answer) [5 points) 2. In model development, a stochastic Model is where: a. the uncontrollable inputs to the model are uncertain b. the uncontrollable inputs to the model are certain c. the controllable inputs to the model are uncertain d. the controllable inputs to the model are certain 3. In a model solution what exactly do you mean by Optimal Solution for a model? Explain [10 points] 4. In a cost model how would you distinguish between Fixed Cost, Variable Cost and Marginal Cost? Explain. [10 points] 5. Identify, graphically or using Excel, the feasible region for the following set of constraints. [15 points) Max 2A + 3B s.t. 1A + 2B 56 5A + 3B