This assignment examines the implementation of Time-Driven Activity Based Costing (TDABC) within the context of BHP Billiton. It analyzes the advantages of TDABC over conventional cost accounting methods like ABC and traditional approaches, highlighting its flexibility, ease of maintenance, and accuracy in projecting capacity. The report emphasizes the crucial role of an ERP system in maximizing the benefits of TDABC for large corporations like BHP Billiton.