Throughout the entire semester, you were trained to relate expenses to the revenues generated in the same accounting period. Differently put, the Income Statement must show the revenues and relevant expenses that took place in the same period. Which principle is related to this practice

matching principle

Explanation:

In this scenario, the principle related to this practice is known as the matching principle. In accrual accounting, this states that revenues should be recorded during the period in which they are earned, regardless of when the transfer of cash occurs. Meaning that if a company earns $5,000 in product sales in August but receives a $1000 commission for those products in September, the commission needs to be reported on the August statement alongside the sales.