1. A management accountant must "Recognize and communicate professional limitations or other constraints that would preclude responsible judgment or successful performance of an activity. This falls under the category of a. Competence b. Confidentiality c. Integrity d. Credibility e. None of the above 2. A variable cost a. b. c d. Increases on a per-unit basis as volume increases Remains constant on a per-unit basis as volume increases Remains constant in total as volume increases Decreases in total as volume increases None of the above 3. A fixed cost a. Increases in total as volume increases b. Increases on a per unit basis as volume increases Decreases in total as volume increases d. Decreases on a per unit basis as volume increases e. None of the above 4.One characteristic of service industries that is different from manufacturing industries is that a. service firms tend to have a greater proportion of fixed costs b. manufacturing firms tend to have a lower proportion of prime costs c. manufacturing firms tend to be more highly regulated d. All of the above e. None of the above 5.As volume increases, a. variable costs will increase per unit b. fixed costs will increase per unit c. variable costs will decrease per unit dvariable costs will increase in total e. None of the above 6.Conversion costs include a. direct materials and direct labor b. direct labor and manufacturing overhead c. direct materials and manufacturing overhead d. All of the above e. None of the above