During 2006, Krey Co. increased the estimated quantity of copper recoverable from its mine. Krey uses the units of production depletion method. As a result of the change, which of the following should be reported in Krey’s 2006 financial statements?

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Cumulative effect of a change in accounting principle

Pro forma effects of retroactive application of new depletion base

a.

Yes

Yes

b.

Yes

No

c.

No

No

d.

No

Yes