Final answer:
The effective implementation of activity-based costing (ABC) requires the support of top management and key employees, as well as capturing the complexity of the data.
Step-by-step explanation:
The effective implementation of activity-based costing (ABC) requires the support of top management and key employees. It is important to have their commitment and involvement in order to successfully implement ABC. Additionally, capturing the complexity of the data is essential. ABC involves identifying and allocating costs based on activities, so it is crucial to accurately capture and analyze the data related to these activities.