This case study solution provides an analysis of consolidation methods in corporate accounting, focusing on the investments of Brisbane Ltd in entities like Canberra Ltd, Sydney Ltd, Melbourne Ltd, Adelaide Ltd, and Perth Ltd. It discusses the application of consolidation and equity accounting methods according to Australian Accounting Standards (AASB). The solution details when to use the consolidation method (for Canberra, Sydney, Adelaide, and Perth Ltd, where the parent company has significant control) and the equity accounting method (for Melbourne Ltd, where the parent has significant influence but not overall control). The elimination adjustments necessary for consolidation are also highlighted to avoid double-counting of intercompany transactions. The document references key texts on financial accounting and reporting to support its analysis.