Question 21 (1 point) Activity Based Costing System allocates overhead using a single predetermined rate. True False Question 22 (1 point) Activity based costing system is appropriate if a high correlation exists between direct labour and changes in overhead costs. True False Question 23 (1 point) As the complexity of a product's manufacturing operation increases, the number of activities and cost drivers used in an activity-based cost system will likely Increase Vary randomly Decrease Stay about the same