Which of the following is not an operating asset?

A) inventory.
B) investment in another company.
C) cash.
D) plant equipment.

Operating Asset

Resources owned by a company that are used in its day-to-day operations to generate revenue, such as machinery, buildings, and equipment.

Return on Investment

A performance measure used to evaluate the efficiency or profitability of an investment.

Stockholders' Equity

Represents the residual interest in the assets of a corporation after deducting its liabilities.