A portfolio company just took a massive $500 million non-cash goodwill impairment charge. Walk me through the mechanical impact on ROA and ROE. More importantly, as a buy-side analyst, do you actually care about this charge when updating your valuation?

我们基金重仓的一家公司刚刚录得了5亿美元的巨额非现金商誉减值。请先告诉我这在机制上会如何影响它的 ROE 和 ROA？另外作为买方分析师，在更新你的估值模型时，你会真正在意这笔减值吗？