Which of the Following Statements Is True Regarding Product and Period

Multiple Choice

Which of the following statements is true regarding product and period costs?

A) Office salaries expense and factory maintenance are both product costs.
B) Office rent is a product cost and supervisors' salaries expense is a period cost.
C) Factory rent is a product cost and advertising expense is a period cost.
D) Delivery expense is a product cost and indirect materials is a period cost.
E) Sales commissions and indirect labor are both period costs.