Which of the following statements are TRUE? I. Responsibility accounting attempts to assign blame for problems to a specific manager. II. One benefit of a budget is that it helps managers gather relevant information for improving future performance. III. Challenging budgets tend to motivate improved performance. IV. Controllability may be difficult to pinpoint because some costs are the result of the market, not the manager. a) I, III, and IV are true. b) I and IV are true c) II, III, and IV arestrue. d) All statements are true Which of the following statements are TRUE? I. Responsibility accounting attempts to assign blame for problems to a specific manager. II. One benefit of a budget is that it helps managers gather relevant information for improving future performance. III. Challenging budgets tend to motivate improved performance. IV. Controllability may be difficult to pinpoint because some costs are the result of the market, not the manager. a) I, III, and IV are true. b) I and IV are true c) II, III, and IV arestrue. d) All statements are true