A Unique Student ID Number Could Be Used as a _________

question 15

Multiple Choice

A unique student ID number could be used as a _________, whereas a student's last name would not be suitable because two students might have the last name.

• A) Primary Key
• B) Sort Key
• C) Record Type
• D) Data Source

---

Definitions:

Absorption Costing

An accounting method that includes all manufacturing costs in the cost of a product, including fixed and variable costs.

Variable Costing

A costing method that includes only variable production costs (materials, labor, and overhead) in product costs.

Net Operating Income

This represents the total profit of a company after subtracting operating expenses, excluding taxes and interest.

Variable Costing

An accounting method that considers only variable costs as product costs, with fixed costs treated as period costs.