QUESTION FOUR a) Explain why standard costing is more suitable for controlling the cost of unit-level activities. (10 marks) b) Despite the widespread use of return on investment (ROI) in all types of organisations, a number of problems exist when this measure is used to evaluate the performance of divisional managers. Critically evaluate the above statement and provide some examples to support your arguments. (25 marks) 0) Explain how the balanced scorecard links strategy formulation to nancial outcomes. (15 marks)