QUESTION 3 To develop direct labor standards, companies often use a learning curve which A. depicts a constant rate of learning B. focuses on how to teach new employees C. is mainly used to produce similar products D. is a visual presentation of the learning process E. None of the above. QUESTION 4 Which of the following product-costing systems is/are required for external financial statements? A. Direct costing. B. Variable costing. C. Either absorption or variable costing. D. Standard costing E. None of the above