P and S Corporations form in Year 1, with S as Ps wholly-owned subsidiary. The corporations immediately elect to file consolidated tax returns. The group reports the following results:

Taxable Income
Group Member	Year 1	Year 2	Year 3	Year 4
P	$9000	$20000	$21000	$25000
S	($7800)	($30000)	($16000)	$2000
Consolidated taxable income (Before NOL deduction)	$1200	($10000)	$5000	$27000

In what year(s) can the group deduct the Year 2 consolidated NOL? Assume that Year 2 is a post-2017 year.