E$31$ Identify the accounting assumption, criteria, or objective that gives the most direction on how to account for each of the following situations:

The owner of a business desires monthly financial statements to measure the financial progress of the business on an ongoing basis.

Expenses of $$3,000$ must be accrued at the end of the period to measure income properly.

A customer states her intention to switch travel agencies. Should the new travel agency record revenue based on this intention? Give the reason for your answer.

Expenses of the period total $$6,000.$ This amount should be subtracted from revenue to compute the period$$s net income.