what is a period expense
Definitions (2). 1. Selling and general administrative expenses identified with the accounting period in which they are incurred, and charged against sales revenue in the same period. Also called period expense.eptember's period cost tends to always be the highest of the year, as we buy the raw materials needed for October's coffins and cobwebs. 5 people found this helpful. You should always know what the period cost was so that you know if you are staying with in your budget.