Plutonic Inc. had $400 million in taxable income for the current year. Plutonic also had a decrease in deferred tax assets of $50 million and recognized tax expense of $80 million. The company is subject to a tax rate of 40%. The change in deferred tax asset was a/an:

A. Increase of $30 million

B. Increase of $130 million

C. Decrease of $30 million

D. Decrease of $130 million