Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

When computing net cash flow from operating activities using the indirect method, an addition to net income is most likely to occur when there is a:
Option A:gain on the sale of an asset.
Option B:loss on the retirement of debt.
Option C:decrease in a deferred tax liability.

Answer: B