Which of the following sentences contains at least one error? a. Knowing that much more can be achieved with collaboration, the department will focus on strengthening existing partnerships. b. A competency model is a collection of business processes, data, and tools to help measure and monitor the capabilities of an organization's workforce. c. When ever an organization imposes budget changes, there will be difficulties. d. The inventory of office supplies must be in accordance with the budget at all times unless alternate authorization has been obtained