ParentCo and SubOne have filed consolidated returns since 2008. SubTwo was formed in 2012 through an asset spin-off from ParentCo. SubTwo has joined in the filing of consolidated returns since then. Taxable income computations for the members include the following. None of the group members incurred any capital gain or loss transactions during these years, nor did they make any charitable contributions. 
If ParentCo does not elect to forgo the carryback of the 2012 net operating loss, how much of the 2012 consolidated net operating loss is carried back to offset prior years' income?
Definitions:
Group Development
Describes the stages (forming, storming, norming, performing, and adjourning) through which groups pass as they evolve and mature.
Stage
A specific phase or period in a process of development or progression.
Cognitive Dissonance
The mental discomfort experienced by an individual who holds two or more contradictory beliefs, ideas, or values at the same time.
Group Support
The assistance, encouragement, and backing provided by group members to each other.
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