Answer:
a. is always expensed in the period in which it is incurred and NEVER becomes part of an inventory account
Step-by-step explanation:
Period cost is the cost that is incurred at the time passes. It also includes the major parts of the selling and administrative section of the income statement whether variable or fixed and it is neither capitalized also.
The examples of period cost is advertising expenses, delivery trucks depreciation, etc
So, it is never becomes part of an inventory account