5. On January 1, 2015, Piper Corp. purchased 40% of the voting common stock of Betz, Inc. and appropriately accounts for its investment by the equity method. During 2015, Betz reported earnings of $720,000 and paid dividends of $240,000. Piper assumes that all of Betz's undistributed earnings will be distributed as dividends in future periods when the enacted tax rate will be 30%. Ignore the dividend-received deduction. Piper's current enacted income tax rate is 25%. The increase in Piper's deferred income tax liability for this temporary difference is a. $144,000. b. $120,000. c. $ 86,400. d. $ 57,600.