Part II: Fill in the blank 1. is an example of an input that might be difficult for a manager to allocate usage across enterprises (multiple correct answers, choose one) 2. tells you how much an additional unit of a limiting resource would increase the objective (profit) in a linear programming problem. 3. budgets are used for investment analysis and are particularly useful in analyzing the timing of cash inflows and outflows. centers incur a cost but do not contribute revenue to an enterprise. is an example of a product (for example cattle manure) being credited as an income for one enterprise, and a cost for another