A news article:

Oil major Shell to write down up to $22 billion of assets in second quarter

June 30, 2020

Shell said in a statement to investors that it had reviewed a significant portion of its business given the impact of the coronavirus pandemic and the ongoing challenging commodity price environment.

It said it would take aggregate post-tax impairment charges in the range of $15 billion to $22 billion in the second quarter.

How does Shell treat these charges?

	a.	None of the above
	b.	Retrospective approach
	c.	Prospective approach
	d.	Modified retrospective approach
	e.	Only disclosures in the footnotes