On January 1, 2013, Riley Corp. acquired some of the outstanding bonds of one of its subsidiaries. The bonds had a carrying value of $421,620, and Riley paid $401,937 for them. How should you account for the difference between the carrying value and the purchase price in the consolidated financial statements for 2013?

The difference is added to the carrying value of the debt

The difference is deducted from the carrying value of the debt

The difference is treated as a loss from the extinguishment of the debt

The difference is treated as a gain from the extinguishment of the