When expenses used to produce income—all of them—should be matched in a consistent manner against...

Detailed Explanation:

Rationale for Correct Answer: Accrual basis accounting requires revenues and related expenses to be recorded in the same accounting period. This is known as the matching principle , ensuring accurate measurement of income.

Analysis of Incorrect Options:

A. Equity – Not relevant to matching expenses.

C. Expense – A category of cost, not a principle.

D. Financial record – Too general.

Key Concept: Accrual Accounting & Matching Principle .