1. The effects of alternative investment accounting methods on the parent's trial balances and the final consolidation figures.
2. The relation between consolidated retained earnings and the parent's retained earnings under each of the three (equity, initial value, partial equity) investment accounting methods.
3. The effect on EPS, return on assets, return on equity, and debt-to-equity ratios of the recognition that all acquisition-related goodwill is considered impaired in 2018.