One of the Primary Differences Between Overhead Costs in Non-Manufacturing

One of the primary differences between overhead costs in non-manufacturing settings and manufacturing settings is

A) that non-manufacturing variable and fixed costs are inventoriable for financial reporting in non-manufacturing companies.
B) GAAP requires different treatment of non-manufacturing costs for both manufacturing and non-manufacturing companies.
C) only non-manufacturing companies must include overhead costs as inventoriable costs for financial reporting.
D) overhead is typically negligible in a non-manufacturing setting.
E) only manufacturing companies are required to include overhead costs in their inventoriable costs for financial reporting.